Tensions rise to deadly levels when a performance troupe of anarchists arrive in Kembleford.

With Sasha back in fighting form, UCOS investigate the death of a cricket prodigy.

The worlds of miniature doll's houses and real houses collide when prolific real estate agent Alexander Beauvoisin is murdered in front of a crowd at the unveiling of a new doll's house collection.

Martin rubs up against the new herbalist while Penhale, Louisa and James are interested in Janice's new pedicure fish.

Joining the teams are Ben Miller, Henning Wehn, Doon Mackichan and Alex Brooker.

Jimmy Carr hosts as Sean Lock and Rob Beckett take on guest captain Alan Carr and Sarah McMillan.

This episode, the guests joining Lee Mack and David Mitchell are Rhod Gilbert, Ronan Keating, Ellie Taylor, and Georgia Toffolo.