In the Heat of Passion II: Unfaithful

Philip Donovan is having an illicit affair with his wife's daughter Casey. When Philip's wife dies in what seems to be a hideous accident, Philip and Casey plan a life of happiness together. But Philip is being followed ... someone is watching his every move. Things are not what they seem, and what started out as a sexy game of erotica is about to erupt into a deadly game of deception and revenge. The plot thickens and the blood flows ... in the heat of passion. (official distributor synopsis)