
When a son attempts to reconcile with his father, a series of fateful events allow him to experience the father’s life in the past.
Does Duckweed have end credit scenes?
No!
Duckweed does not have end credit scenes. You can leave when the credits roll.
See current US streaming, rental, and purchase options for Duckweed (2017) via JustWatch.
Explore the complete cast of Duckweed, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Han Han
Old Man on the Rooftop

Mason Lee
Ah Jun

Chow Yun-Fat
Self (archive footage)

King Shih-Chieh
Director Jin

Fang Li
Bath Center Boss

Deng Chao
Xu Tailang

Eddie Peng Yu-Yan
Xu Zhengtai

Dong Zijian
Xiao Ma

Zhao Liying
Xiao Hua

Leng Haiming
Ambulance Doctor

Zack Gao
Liu Yi

Zhang Guoqing
Ramen Shop Owner

Li Zhu
Karaoke Girl

Sun Yihan
Song Zi

Li Ronghao
Huang Zhiqiang

Li Chunai
Xiao Chun

Zhang Benyu
Luo Li

Sun Qiheng
Officer Sun

Xiong Li
Jia Yi

Jia Chuanxi
Ah Lang's First Girlfriend

Peng Feiming
Fei Fei

Bai Luoli
Luo Li's Younger Brother

Chen Jiayi
Miss KTV

Pan Mi
Primary School Student
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Read the complete plot summary of Duckweed, including all major events, twists, and the full ending explained in detail. Explore key characters, themes, hidden meanings, and everything you need to understand the story from beginning to end.
The film centers on the reconciliation between a father and his son. Ah Lang, a youth from a small town, believes his father Ah Zheng never truly understands his occupation and the life he leads. In a pivotal moment, the story pivots from their strained dynamic into something surreal: Xu Tailang, a racer, wins the 2022 China Rally Championship while his aging father, Xu Zhengtai, watches with a smile that hides years of unspoken stories. What follows is a startling turn of events that blurs time and memory.
During a high-speed drive meant to celebrate, an oncoming train crashes into the rear of their car as it barrels along the tracks. The moment of impact doesn’t end the day; it launches Xu Tailang into a vivid, almost cinematic journey back to 1998, in the very town where he was born. The hospital gurney that once carried him toward the future becomes his doorway to the past, and he finds himself living a life he only knew through legends and rumors.
What unfolds is a blend of humor and heart as he navigates comical adventures with his younger father and a cast of characters who populate that era. He also meets his mother, Xiao Hua, a woman whose presence he never knew in life because of the tragedy that followed childbirth. Xiao Hua, portrayed by Xiao Hua in the cast, becomes a central figure in understanding the sacrifices that shaped Xu Zhengtai’s choices and the rhythms of the family he would one day return to.
As Xu Tailang observes life in 1998, he begins to piece together the man his father was long before becoming the older generation he now knows. He discovers the ways his father lived, the deep love he felt for his mother, and the circumstances that led to a prison sentence of six years. These revelations illuminate the sacrifices, missteps, and strengths that defined his father’s past, offering Xu Tailang a new lens through which to view him.
The journey through time deepens the bond between father and son, transforming unresolved tensions into understanding and respect. Xu Tailang’s odyssey becomes not only a voyage through a pivotal decade but also a quiet reconstruction of a family’s history. By the end, the father and son find common ground in the memories, regrets, and genuine affection that time could not erase. This awakening fosters a renewed sense of connection, suggesting that reconciliation might be possible even after years of distance and silence.

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