Desc: Unholy Matrimony: Directed by Jerrold Freedman. With Patrick Duffy, Charles Durning, Michael O'Keefe, Lisa Blount. Drama based on the true story of a police detective's relentless investigation into an insurance fraud involving a woman's murder. He's soon convinced he's hot on the trail of those responsible - a doctor and a minister - but his attempts to prove his suspicions look set to be foiled.