Insurance investigator Dennis Stanton, who uses his skills as an ex-thief to solve crimes, returns to investigate a theft and two murders.

Proving a burnt Mark Twain manuscript is a fake is the reason for a book expert's murder.

Jessica plays a tape sent to her by Dennis. Bad luck follows a famous concert pianist as he burns his hands and then loses his wife.

Dennis is suspected in the murder of the husband of an old flame with whom he has been spending some time.

A locked room mystery with the missing ventriloquist's dummy found with the Club owner's corpse.