Tracking a local conman, Frank and Lu make some unlikely allies when they encounter a pair of deadly gangsters.

When an amnesiac wanders into their lives, Frank and Lu must work out what happened to him.

Frank and Lu must clear their names when they are framed for various crimes by some mysterious doppelgangers.

Frank and Lu investigate a death threat at Runningbrook, an exclusive tennis club which hides a toxic threat.

In a race against the clock, Frank and Lu must track down a vital witness in a crown court trial.

When a pampered pet runs away from a life of luxury, Frank and Lu are tasked with tracking down the hound.

When a LARP battle in the woods goes wrong, Lu and Frank must clear the Queen's name and catch the culprit.

A missing person's case turns to murder as Frank and Lu investigate the disappearance of an eastern European oligarch.

Frank and Lu investigate a series of deadly 'accidents' on a psychic TV programme hosted by two warring sisters.

Frank and Lu investigate a missing person's case at a casino, where gambling is a matter of life or death.