Pitfall

John Forbes is a middle-class husband and father who is tired of his boring routine. He ends up spending the day with the sultry blond on her speedboat, and a physical romance begins. His wife Sue has no idea what is going on; Mac, however, does. Mac wants to stay on the case, admitting he is attracted to Mona, but Forbes decides to try to retrieve the gifts himself. Mac beats Forbes up and tells him to stay away from Mona.