Humphrey and his team are baffled by the mysterious disappearance of an entire family. Martha prepares for the launch of her café but is thrown when a face from the past shows up.

The community of Shipton Abbott is rocked when a beloved painting disappears in a seemingly impossible heist. Humphrey tries his best to find some common ground with Archie.

Humphrey investigates the death of an unidentified man found in the centre of a crop circle. Meanwhile, Archie helps Martha prepare for a visit from a food critic.

Panic spreads when an arsonist targets three businesses, bizarrely invoking the Three Little Pigs fable. Meanwhile, Martha has some serious thinking to do.

A house is burgled but the prime suspect was locked up in a police cell at the time. It’s up to Esther to rally a devastated Humphrey and solve this impossible crime.