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 death threat at Runningbrook, an exclusive tennis club which hides a toxic threat.

An energy tycoon hires Frank and Lu to keep an eye on his wayward eldest daughter and ensure that the wedding of his youngest daughter goes off without a hitch. But things are about to get a whole lot worse.

Frank and Lu delve into the ultra-competitive world of private tutoring, while a reunion with an old RADA mate presents Sebastian with a choice about his future which could change everything for the agency.

Frank and Lu are drawn into Stratford’s Silicon Valley when Spider calls upon their help to expose a mole within tech company Forosa.

It’s not all plain sailing when Frank and Lu are hired to look into the drowning of a former Miss Stratford-upon-Avon, as they begin to uncover the beauty queen’s dark past.