What Is Secret About?
The premise of Secret in 318 words, with nothing given away. The full story follows below.
In the quiet town surrounding Tamkang Secondary School, the rhythm of daily life is punctuated by the soft echo of piano keys and the rustle of old sheet music. The school itself, a prestigious haven for aspiring musicians, sits amid a campus that balances modern ambition with the lingering presence of an aging piano building slated for demolition. Within this measured world, the atmosphere feels both reverent and tinged with a gentle unease, as if the very walls are listening for a secret only the most attuned ears can hear.
Ye Xianglun arrives at the academy fresh from a sheltered life with his father, a respected teacher whose own devotion to music shapes the expectations placed upon his son. On his first day, Xianglun’s routine is disrupted by the enigmatic Lu Xiao Yu, a captivating student whose delicate touch on the piano releases a haunting melody that seems to carry its own story. Their connection forms quickly, built on shared curiosity and the unspoken promise that the music they hear may hold something deeper than mere notes.
The Secret—the name the melody quietly adopts—threads through the corridors and practice rooms, a whisper of mystery that draws both students and faculty toward it. As Xianglun navigates the academy’s competitive spirit, he encounters peers like Qing Yi, whose friendly rivalry adds subtle tension to the close‑knit circle of young musicians. The tone remains intimate and contemplative, blending the disciplined rigor of musical training with the softer, more elusive currents of youthful longing and unanswered questions.
Against this backdrop of tradition and impending change, the film invites viewers to feel the pull of an unfinished composition, the allure of a melody that resists explanation, and the tentative steps of two hearts drawing nearer through the language of sound. The story remains poised on the edge of discovery, promising that the cadence of the Secret may reveal more than either protagonist anticipates.
What Happens in Secret?
The complete story of Secret, from the first scene to the last, in 733 words (about 3 minutes). Spoilers throughout. Names in the text link to 4 cast member pages.
Spoilers ahead
Ye Xianglun is a gifted pianist who shares a quiet life with his father, Anthony Wong. In 1999, Xianglun enters Tamkang Secondary School (Danjiang), a prestigious music academy where his father teaches, and soon discovers that the old piano building slated for demolition on graduation day casts a quiet weight over the campus. Amid the echoes of practice rooms and the hum of campus life, he is drawn to a beautiful, mysterious melody that seems to resist explanation, a tune he comes to know as Secret. This haunting piece guides him to Lu Xiaoyu, a fellow piano student whose presence feels both intimate and elusive. Xiaoyu’s response to the question about the song is careful and enigmatic: it is a secret that cannot be told.
As Xianglun and Xiaoyu spend time together—within crowded practice spaces, quiet corridors, and the winding streets of the town—their bond grows with a gentleness that hints at something timeless. Their first kiss arrives after Xianglun wins a rare music score for her at a school piano battle, a moment that crystallizes their connection. When Xianglun broaches the looming demolition of the building, Xiaoyu plays him the Secret once more and warns him not to play it on the oldest piano in the room, a caution that foreshadows the power and danger embedded in the melody. A subtle undertone of jealousy threads the story as Qing Yi tries to draw Xianglun toward her, adding tension to the circle of students who orbit the two musicians.
In class, a misstep surfaces: Xianglun passes a note to Xiaoyu to meet in the practice rooms, but Qing Yi arrives instead, and an accidental kiss occurs when Xianglun’s eyes are closed. A loud greeting from the janitor outside reveals the mix-up, and Xianglun rushes to fix things, only to find Xiaoyu missing. He goes to her home, only to learn from Xiaoyu’s mother that Xiaoyu is ill and has dropped out of school long ago. This revelation shatters the present’s certainty and plants a seed of longing that will echo through the years.
Five months pass, and graduation day looms. Xianglun is set to perform on stage, while Qing Yi lends him her bracelet as a token of luck. Halfway through the performance, Xianglun glimpses Xiaoyu near the door and they share a fleeting smile before she slips away again. He abandons the program and runs outside to chase her, embracing the moment they shared, only to notice a bracelet—revealing that Xiaoyu had seen Qing Yi’s influence on his wrist. After the ceremony, Xianglun searches for Xiaoyu in vain; classmates describe him as someone who was always alone, and he experiences a growing ache as fragmented memories of Xiaoyu surface, blurred and incomplete.
The mystery deepens as Xianglun’s father offers a crucial clue: Xiaoyu’s story, once dismissed, carries a seed of truth about a score called Secret and its time-twisting properties. In a flashback to 1979, Xiaoyu speaks with Xianglun’s father at the school, confessing that she found the score hidden in the oldest piano and that playing it could transport a person forward or backward in time. She explains she can only be seen by the first person she encounters, which is why she often seems missing. Her words are stark and poignant, and she even leaves behind a message written on the back of the manuscript, a message that corroborates her tale.
Back in the present, Xianglun realizes that Secret can move the pianist through time when played at the right tempo on the old piano. He races toward the piano building, now within reach of the wrecking crews. Meanwhile, his father retrieves Xiaoyu’s manuscript with a new, hopeful message scribbled on the back twenty years earlier. The moment arrives as the demolition begins: Xianglun sits at the ancient piano and begins to play Secret from memory, guided by Xiaoyu’s whispered instruction to “play it fast when I want to go back.” The structure groans and collapses around him, and just as a wrecking ball descends, he pushes through the final note, risking everything for the chance to reach her.
Outside the classroom, a glimmer of recognition appears as Xiaoyu looks in and smiles at him, an image that seems to bridge two decades. The closing image shows the 1979 Tamkang Secondary School graduation photograph, with Xianglun and Xiaoyu standing beside one another, a quiet promise that time cannot fully erase.
Secret Timeline: Every Key Event in Order
13 key events in the order they happen, from “Xianglun transfers to Tamkang Secondary School” to “Xiaoyu finds Xianglun across time; final image”. 13 events name a place, across 12 locations.
- 1
Xianglun transfers to Tamkang Secondary School
In 1999, Ye Xianglun transfers into Tamkang Secondary School and joins the piano program. While exploring the famous old piano building, he is drawn to a beautiful, mysterious melody that seems to pull him toward a hidden connection. The tune leads him to Xiaoyu, a fellow piano student, marking the start of their intertwined fate.
When:1999 Where:Tamkang Secondary School – piano building
- 2
Xianglun meets Xiaoyu and Qingyi; a quiet bond forms
During a campus tour, Xianglun meets Xiaoyu and spends time with her in the practice rooms and around town. Qingyi introduces him to the campus, and Xiaoyu explains that the melody is a secret that cannot be told. The encounter begins a delicate bond between Xianglun and Xiaoyu and hints of rivalry with Qingyi.
When:1999 Where:Tamkang Secondary School campus and practice rooms
- 3
The first kiss after a school piano battle
Xianglun wins a school piano battle and gifts Xiaoyu a rare music score, sparking a moment of closeness between them. They share their first kiss, deepening their romance as they navigate the school’s rhythms and secrets.
When:1999 Where:Around the school and practice rooms
- 4
Xianglun learns of demolition and reveals the secret
Xianglun informs Xiaoyu that the piano building will be torn down on graduation day. She reveals the mysterious tune 'Secret' and warns him not to play it on the oldest piano, implying it holds power over time. The revelation ties the building's fate to their music.
When:Before graduation (1999) Where:Piano building, Tamkang Secondary School
- 5
Jealousy boils as Qingyi draws closer
With graduation looming, Qingyi begins to get closer to Xianglun, stirring jealousy in Xiaoyu. As the triangle tightens, Xiaoyu grows increasingly withdrawn, skipping classes and retreating from the world. Tension builds between friends, lovers, and rivals.
When:Months before graduation (1999) Where:Tamkang Secondary School
- 6
Graduation rehearsal and a lingering glimpse
During graduation day preparations, Qingyi lends Xianglun her bracelet for luck. Halfway through the performance, Xianglun sees Xiaoyu by the door and they share a fleeting smile before she leaves. Xiaoyu later notices Qingyi's bracelet on Xianglun's wrist, deepening the mystery.
When:Graduation day (1999) Where:Graduation ceremony site, Tamkang Secondary School
- 7
Xianglun searches for Xiaoyu after the ceremony
After the ceremony, Xiaoyu is missing. Classmates recall him as always being alone, and Xiaoyu's mother reveals that she had been sick and dropped out long ago. Xianglun's search widens from the campus to Xiaoyu's home as he seeks answers.
When:Immediately after graduation (1999) Where:Tamkang Secondary School and Xiaoyu's home
- 8
Xiaoyu's backstory: time travel begins
Xianglun's father confronts Xiaoyu's tale, which unfolds as Xiaoyu describes 1979 when she spoke with the teacher and found the score 'Secret'. By playing it on the oldest piano, she traveled 20 years into the future. She explains her constraint: she can only be seen by the first person she sees, explaining her sporadic disappearances.
When:1979 Where:Tamkang Secondary School, 1979
- 9
Secret's origin confirmed by the father and classmates
Xiaoyu's story is relayed to the classroom and Xiaoyu's mother, causing whispers among the 1979 cohorts. The legend of time travel takes root, creating a haunting link between Xianglun's present and Xiaoyu's past.
When:1979 Where:1979 Tamkang Secondary School
- 10
Present-day discovery: Secret can move time
Back in the present, Xianglun realizes the score 'Secret' is the key to time travel and could move him through time if played at the right speed on the old piano. He hurries toward the piano building as the demolition accelerates.
When:Present day Where:Old piano building, Tamkang Secondary School
Show the other 3 events of Secret Hide the last 3 events
- 11
The manuscript confirms Xiaoyu's note
Xianglun's father retrieves Xiaoyu's manuscript, which contains a message to Xianglun from twenty years earlier. The back-of-page note corroborates Xiaoyu's account and deepens the mystery of time travel.
When:Present day Where:Xianglun's home
- 12
Xianglun plays Secret as the building collapses
In the piano room, Xianglun plays 'Secret' from memory, following Xiaoyu's instruction to play fast to travel back. The demolition crashes around him as he completes the last note, leaving his fate implied but hopeful.
When:Present day Where:Piano building, Tamkang Secondary School
- 13
Xiaoyu finds Xianglun across time; final image
Outside the classroom, Xiaoyu looks in and smiles at Xianglun, a quiet acknowledgment of their bond across time. The film closes with a 1979 graduation photo showing Xianglun and Xiaoyu standing together in the same frame.
When:Final moment Where:Outside the classroom / 1979 graduation scene
Who Are the Main Characters in Secret?
5 characters, among them Ye Xiang Lun (Jay Chou), Lu Xiaoyu (Gwei Lun-Mei) and Qing Yi (Alice Tzeng): who each one is and the part they play in the story. Every profile links to the actor’s page.
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Ye Xiang Lun (Jay Chou)
Played by Jay Chou
A gifted piano prodigy who transfers into Tamkang Secondary School. He forms a deep bond with Lu Xiaoyu after hearing the mysterious melody 'Secret' and is drawn into a romance complicated by Qingyi's jealousy. His dedication to music and determination drive him to chase Xiaoyu across time, culminating in a desperate performance that unlocks the secret of time travel.
- 🎹 Prodigy
- 💘 Romantic lead
- 🧭 Determined
- LX
Lu Xiaoyu (Gwei Lun-Mei)
Played by Gwei Lun-Mei
A fellow piano student whose discovery of the 'Secret' score lets her travel back twenty years. She alternates between appearing to Xianglun and silently stepping out of his life, causing both wonder and heartbreak. Her time-traveling presence drives the mystery and fuels the romance with Xianglun.
- 🎼 Pianist
- ⏳ Time traveler
- 💞 Romantic
- QY
Qing Yi (Alice Tzeng)
Played by Alice Tzeng
Xianglun's classmate who grows jealous as she tries to win his attention. She becomes entangled in the love triangle and inadvertently accelerates the emotional stakes. Her actions highlight the friction between friendship, affection, and rivalry within the school setting.
- 🎭 Rival
- 💬 Social climber
- LF
Lun's Father (Anthony Wong)
Played by Anthony Wong
A teacher at Tamkang who is pragmatic and initially skeptical of Xiaoyu's time-travel story. He guards the manuscript and shares Xiaoyu's history with the classroom, playing a pivotal role in uncovering the truth.
- 👨🏫 Teacher
- 📜 Keeper
- 🧭 Pragmatic
- YM
Yu's Mother (So Ming-Ming)
Played by So Ming-Ming
The mother of Xiaoyu who eventually provides key information about Xiaoyu's disappearance and reveals the truth through a photograph and her daughter's story. She embodies a protective, pragmatic presence in the daughter's life and its secrets.
- 👩👧 Mother
- 🧭 Protective
Where and When Is Secret Set?
Secret is set in Tamkang Secondary School (Danjiang) (1999). Here is why the time and place matter to the story.
When
1999
The primary timeline is in 1999, focusing on Xianglun’s final year at Tamkang and a graduation performance. The story reveals a time-travel mystery through the mysterious score 'Secret', with key memories and events shown from a past era. A crucial backstory unfolds from 1979, revealing how Xiaoyu traveled twenty years into Xianglun’s world.
Where
Tamkang Secondary School (Danjiang)
A prestigious campus where Xianglun enrolls in the school’s music program, housed in an aging piano building that is set to be demolished on graduation day. The campus atmosphere blends rigorous practice with adolescent romance, rivalries, and the pursuit of musical excellence. The old piano room becomes the focal point of the mystery, linking present events to a hidden past.
- 🏫 School
- 🎵 Music
- 🕰️ Time travel
What Are the Themes of Secret?
3 ideas the story keeps returning to, among them Time Travel, Love and Music.
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01
Time Travel
Time travel is the central engine of the plot, enabled by the mysterious score 'Secret' that allows movement across decades. Xiaoyu’s intermittent appearances across time create a romance that defies ordinary timelines and raises questions about fate and memory. The rules—being visible only to the first person she sees—draw out suspense and shape how the lovers interact. The demolition of the piano building becomes a symbolic deadline for uncovering the truth.
-
02
Love
Romance drives the narrative, weaving together a connection that spans decades and defies disappearance. Jealousy and miscommunication test Xianglun and Xiaoyu, especially as Qingyi competes for Xianglun’s affection. The emotional stakes are heightened by the time-travel element, making absence and reunion central to the relationship. Ultimately, love endures through memory, distance, and the passage of time.
-
03
Music
Music is the language that binds characters across generations, centered on the enigmatic score 'Secret'. The old piano and practice rooms serve as a conduit for revelation, with performances marking turning points in the plot. Playing the score at the right tempo unlocks time travel and clarifies relationships and misunderstandings. Music thus functions as both narrative device and emotional compass for the protagonists.
What Kind of Film Is Secret?
Melancholic in tone, with slow pacing and a moderate story, going by the plot summary.
- Tone
- Melancholic
- Pacing
- Slow
- Story
- Moderate
- Intensity
- Medium
- Ending
- Bittersweet
A dreamy and melancholic romance that unfolds through haunting piano music and a time-bending mystery, creating a tender yet deeply nostalgic atmosphere of longing and bittersweet connection.
- nostalgic
- melancholic
- dreamlike
- romantic
- mysterious
- longing
- time travel romance
- piano music
- forbidden love
- teenage love
Content notes: asthma attack.
Quiz
How well do you remember Secret? Test yourself on the story.
