Will shrugs off a prank by DCs Jo Masters and Grace Dasari to take on his first CID case as a trainee. A woman phones to say that her house has been burgled and that her husband is missing. Further investigation finds the badly beaten man at his place of work, a construction site that has suffered an arson attack. Interviewing the injured man in hospital, Will and DS Stuart Turner learn that he is the target of a blackmail plot, and in order to catch the culprit, Will must go undercover. www.thebill.com., TDC Fletcher struggles to adapt to DS Turner’s leadership style as they investigate a series of attacks on a developer. Suspicion falls on an anti-capitalist protester, but the officers soon uncover a protection racket.