Random Hearts

The wife of Police Sergeant Dutch Van Den Broek (Harrison Ford) and the husband of U.S. Representative Kay Chandler (Dame Kristin Scott Thomas) are killed in a plane crash. Now Dutch discovers some anomalies in what his wife told him before she left, and discovers that she and Chandler's husband were travelling together. Dutch then goes to Chandler and tells her that he suspects that they were having an affair. He tells her that he wants to know the truth. She tells him that she doesn't, but she later joins him and they grow close.