Mr. Denning Drives North

Comedic thriller has Mills visiting an international crook with whom his daughter is having an affair. He tries to buy the man off but in the process accidentally kills him. Panicking, he plans to come back later for the body, drive north, and dump it in a ditch. When he returns to recover the corpse, he finds it has disappeared. The rest of the film involves his desperate attempts to cover up the death of his daughter's lover.