Detective Inspector Max Arnold, residing on a dilapidated houseboat at Cheyne Walk, grapples with life after his split from art dealer Astrid. As the son of a local bookstore proprietor, he contrasts sharply with the wealthy elite whose crimes he investigates. Partnering with D.C. Priya Shamsie, Max navigates the complexities of high society while solving intriguing cases. Their dynamic brings a fresh perspective to the crime genre, blending gritty realism with the nuances of London’s affluent underbelly.