A semi-retired private detective reluctantly takes the case of a Mrs. William B. Stone who seems to have lost track of her husband. Shanahan, who finds his once lonely life complicated by an attractive younger woman, nevertheless finds his client's husband almost immediately. But the job isn't done. The problem is the man is dead. Who did it and buried the corpse in his own backyard requires the P.I. to lift the muddy veil of secrecy.