Bloody Moon (; The Saw of Death) is a 1981 English-language Spanish-German slasher film directed by Jesús Franco and starring Olivia Pascal.

Plot

Miguel, a young man with a disfigured face, tricks a girl into sex by putting a mask on and pretending to be her boyfriend. When she unmasks him, he brutally stabs the young woman with a pair of scissors. After the crimes, Miguel is institutionalized at a mental asylum for 5 years. When his sentence is finished, he is released into the care of his sister, Manuela. Along with their invalid aunt and Countess, Maria Gonzales, his incestuous sister Manuela operates a boarding school for young women called Europe's International Youth-Club Boarding School of Languages on the Costa Del Sol.