Death Trap

There's nobody to hear your scream...except your killer

After a night out when driving back in the rain a wealthy artist and his young wife run into a man. He is knocked out and they decide to take him to their mansion to recover. Once he is better he gets involved with his young wife and they conspire to kill him for the inheritance she will get despite the fact that his son is a cop. They decide to get rid of him too. Will they succeed?