Murder Ordained

This is the story of a minister whos feeling unhappy in his marriage who then has an affair with a church employee, who is also married, and who also has affairs, and whose husband is unwilling to divorce her. One day the ministers wife is found dead, in what appears to be an auto accident, but the highway patrolman who investigated the accident doesnt think that its an accident but doesnt have enough evidence to justify an investigation. Later, when the womans husband is killed an investigation begins.