Detective Inspector Max Arnold lives on a battered houseboat at the end of Cheyne Walk after separating from his art dealer wife Astrid. The son of a local bookshop owner, Max is a far cry from the affluent elite whose crimes he'll help solve along with D.C. Priya Shamsie.
The Chelsea Detective (Season 4)
Death on the Aether (Episode 1) 9.0
Air date: 2026-08-03
Runtime: 88 min
Overview: After a butler is found dead in the Thames, Max and the team interview the owner of the agency that employed him. But when they learn that the deceased was actually a journalist on an undercover investigation, Max digs deeper into the case.
The 13th Earl (Episode 2)
Air date: 2026-08-10
Runtime: 89 min
Overview: Notorious gangster Trent Wilsher is shot dead after a drunken night, and the prime suspect, Rory, Earl of Davenstock, has disappeared. Max launches a manhunt to find the missing man before Trent's brother takes revenge on the remaining Davenstocks.
Beauty Costs (Episode 3)
Air date: 2026-08-17
Runtime: 89 min
Overview: After a woman is found murdered in her own beauty salon, Max interviews one of her old boyfriends and some of her scorned clients in search of a lead. He learns that the truth behind the murder is darker than he anticipated.
The Petrov Extension (Episode 4)
Air date: 2026-08-24
Runtime: 89 min
Overview: On the night that celebrated architect Rowan Jameson is to receive a lifetime achievement award, he's thrown to his death from a hotel balcony. Following a second murder in Cambridge, Max and his team uncover a conspiracy linking both victims.
Seasons
Episodes 4
Episodes 4
Episodes 4
Episodes 4