Lady, Stay Dead (1981)

A young woman takes on the responsibility of caring for her sister's home, blissfully unaware of the dark events that have unfolded. Her sister and the neighbor have fallen victim to a deadly handyman, a man with a sinister past as a serial killer. As she settles into the house, eerie occurrences begin to unfold, revealing the chilling truth lurking within the walls. Her ignorance soon becomes a perilous game of survival as she confronts the terrifying reality that she is not alone. The suspense escalates, leading to a harrowing fight for her life.