To All a Goodnight (1980): Cast & Plot

During Christmas vacation at the rural Calvin Finishing School For Girls, a student is killed when she is accidentally pushed over a balcony during a prank. Two years later, on the Friday before Christmas, five students — Nancy [Jennifer Runyon], Melody [Linda Gentile], Leia [Judith Bridges], Trisha [Angela Bath], and Sam [Denise Stearns] — decide for a weekend get-together with their respective boyfriends, planning a quiet escape from the holiday bustle. That night, their classmate Cynthia and her boyfriend are murdered outside the school by an assailant with a hunting knife.