Gemma and Terry have given up their jobs and are now full time private investigators. They have in their possession a valuable collector's piece that the murderous Bunnyman will stop at nothing to acquire.

A turf war between two bakers leads to food poisoning at an amateur dramatic society.

A twisted serial killer is on the loose and only Terry and Gemma's coach tour knowledge can help police find the murderer.

Terry and Gemma take a detour on the way to their wedding in order to solve a mystery at a therapy retreat. Once there, they find a pair of camp leaders with some odd ideas about therapy and get into an ordeal that challenges their own relationship.

Before they can finally marry, Gemma and Terry must solve the murder of a wedding guest. However, their other wedding guests, especially Gemma's mum, turn out to be an obstruction that they could really do without.

With their relationship in trouble, Terry is forced to reconnect with an old friend at the same time as Gemma investigates crimes solo. When Gemma teams up with Monica, they discover shocking activities in Terry's past.