- 1
Mad Hatter's Holiday
After a severed hand is discovered, Cribb travels down to the seaside town of Brighton to discover the victim's identity, with the assistance of an eccentric holiday-maker with a tale of a missing woman.
- 2
The Last Trumpet
A popular campaign is being waged to prevent the sale of Jumbo, London Zoo's most popular attraction to America. When the elderly animal-lover organising the protests is murdered, Cribb considers the various motives for killing her.
- 3
The Hand That Rocks the Cradle
Jowett is very excited by the upcoming Golden Jubilee celebrations and is jealous when Cribb is selected by the Royal Household for a special mission—to investigate the background of the new nanny being selected for the Queen's granddaughter.
- 4
The Choir That Wouldn't Sing
Cribb and Thackeray investigate the apparent suicide of a retired colonel, a member of a village choir. The detectives soon deduce that the Colonel's death was murder but their questions are met with a wall of silence from the locals.
- 5
Murder Old Boy
Jowett returns to his old school for a small reunion. His suspicions are raised by an appeal for funds by an ex-classmate, who is subsequently murdered.
- 6
Invitation to a Dynamite Party
Cribb goes undercover to infiltrate the Irish Republican Brotherhood, who are planning a major bombing.