When a pampered pet runs away from a life of luxury, Frank and Lu are tasked with tracking down the hound.
When a LARP (live action role-play) 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.
In a race against the clock, Frank and Lu must track down a vital witness in a crown court trial.
Frank and Lu must clear their names when they are framed for various crimes by some mysterious doppelgangers.
Frank and Lu investigate a missing person's case at a casino, where gambling is a matter of life or death.
When an amnesiac wanders into their lives, Frank and Lu must work out what happened to him.
Frank and Lu investigate a death threat at Runningbrook, an exclusive tennis club which hides a toxic threat.