Season 4

Jimmy 'the Gem' Vincent is murdered within 24 hours of his release from prison. Do his unpublished memoirs reveal the identity of his killer?

A recluse is found dead at home, and foul play is suspected. A cache of film reels leads to the solution of two murders.

A veteran comedian dies on stage. Davies investigates the world of show business jealousies.

Davies uncovers the secret life of a chauffeur, found stabbed in the neck with a broken champagne bottle.

Members of a secretive gentlemen's club are dying in mysterious circumstances.