Set in 1936 at the coastal estate of Gull’s Point, the lives of Nevile Strange (Oliver Jackson-Cohen), his ex-wife Audrey (Ella Lily Hyland), and his new wife Kay (Mimi Keene) collide, leading to a web of jealousy and deceit. When a murder occurs, Inspector Leach (Matthew Rhys) must untangle the complex relationships and secrets to uncover the truth.

Adapted from Agatha Christie’s 1944 novel, Towards Zero is a three-part limited series produced by Mammoth Screen and Agatha Christie Limited for BBC One and BritBox International. Directed by Sam Yates and adapted by Rachel Bennette, the series features an ensemble cast including Anjelica Huston, Clarke Peters, and Anjana Vasan. It aired from March 2 to March 16, 2025, on BBC One and is available on BBC iPlayer and BritBox.