The plot involves a woman who wants to seduce another woman (who has a boyfriend) into having a relation with her , she only managed to do so when she tricked the boyfriend into cheating on the woman she wants to seduce with another one she knows

Finally she managed to seduce her & make her stay with her , but when the woman returned later to her boyfriend she got jealous & decided to get rid of him.

At the end of the movie she tried to electrocute him while he was in a bathtub (with a hair dryer I guess)