Series 5

Tensions rise as Frank and Lu are forced to reunite and work together on the case of a married couple in strife.

Frank, Lu and Sebastian go undercover at a remote team building centre to root out a corporate spy trying to steal details of an important new contract

When Frank receives an invitation to a murder mystery party, the team find themselves trapped with a killer in their midst.

When Lu arrives home from a trip to find that a stranger legally owns her home, Spider and the team uncover a cruel scam which soon leads to murder

Frank is delighted when the manager of Avon FC hires him to find a saboteur - until events take a deadly turn.

When Stratford's local vigilante 'The Swan' accidently ruins a surveillance operation, Frank and Lu are hired to unmask the superhero.

DS Keeler becomes Frank and Lu's most unlikely and reluctant client when he finds himself the victim of blackmail.

Lu is delighted when she and Frank are hired by a local TV shopping studio, but events soon take a deadly turn live on air.

When an acclaimed horror film director is terrorised by his own creations, his daughter doesn't know if her father has lost his mind or is the victim of a cruel trick.

When Frank and Lu are hired to play a pregnant couple at a hypnobirthing class, a previous misdemeanour comes back to bite them.