Go back for murder: Before dying in prison for supposedly poisoning her husband fifteen years ago, Caroline Crale wrote her daughter Carla that she was clearly innocent. Carla, aided by Justin Fogg -- who as a young solicitor fell in love with Caroline -- persuades those present that fatal day to return to the scene of the crime to find out what really happened that fateful day.

Appointment with death: An assorted group of travellers find themselves thrown together on an expedition to the rose red city of Petra. When one of them is found dead, the group find themselves among the suspects.

The hollow: An unhappy game of romantic follow-the-leader explodes into murder one weekend at The Hollow, home of Sir Henry and Lucy Angkatell.

The mousetrap: A group of strangers is stranded in a boarding house during a snow storm, one of whom is a murderer.