Beth (Scholey) is stunned when her husband, Dr. Tom (Farthing), is arrested in front of all their guests and their daughter at his surprise 40th birthday party for the murder of Katie, his office assistant.
The plot thickens as Beth's past is revealed: she comes from a humble background, is a social climber, and met Tom in a sex club before their relationship blossomed.
Meanwhile, the police investigation uncovers Tom's membership in the same club, and a leaked news report exposes his sex addiction, publicly tarnishing his good name.
Manipulating Adam's trust, she feigns ignorance of the truth and during a secluded hike, pushes him off a cliff, taking him out with the secret.
In a post-credits scene, Jules visits Tom in prison, telling him that she has some of Maxwell's files on him and that they make for very interesting reading.
In June 2023, it was announced that Paramount+ had commissioned the series with Suzanne Cowie and Ben Morris as writers, Laura Way as director and with Jonathan Phillips serving as the producer.
Andy Morgan and Mike Benson from Clapperboard are executive producers alongside Chiara Cardoso and Giuliano Papadia from BlackBox Multimedia.