When Mike's old friend, a carnival clown, is murdered, he hunts for the killer.

In London, Lanyard is investigating threats against the life of a world-famous ballet dancer when she apparently commits suicide.

Mike is asked by a psychiatrist to investigate a patient who claims to have committed a murder but can't remember the details.

Lanyard goes from New Orleans to Hawaii to discover how rubies and opium are being smuggled in from Hong Kong.

Lanyard gets a request from Father Picard to make a last-ditch effort to save the life of a prisoner on death row with 36 hours to live.

Lanyard travels to Chicago when he receives an urgent note from Joey Crocetti. A war time buddy who saved Lanyard in Italy during the war. Lanyard discovers Joey is on the run from the police, and he sets out to try to prove his friend innocent.

Lanyard flies to Los Angeles to clear the name of an old friend, a journalist accused of stealing a priceless Van Gogh painting.

Lanyard suspects that a hit-and-run accident was murder.