The Psycho Debt Collector Gets His Owes

Like in 'Psycho' from Hitchkock, the victim is surprised in the shower by the murderer. But this one doesn't stab her to death. He chloroforms her, ties her up and gags er, enjoying her terrified eyes as she wakes up to see him putting a plastic bag on her head. Once her strugglings stop, he can play with her limp body and take the ring he came for from her finger...