Bloody Moon

In this 1981 Spanish-German slasher film, a disfigured man's dark past and obsession with a student at his sister's boarding school unfold in a gruesome and unpredictable manner. Following his release from a mental asylum, the protagonist wreaks havoc on the unsuspecting female students, leaving a trail of death and destruction in his wake. As the body count rises, the true motives behind his actions are slowly revealed, exposing a complex web of family secrets, incest, and revenge that drives him to commit unspeakable atrocities.