Overview
- The 90-minute festive episode premieres Sunday, December 28 at 8:30pm on BBC One and streams on BBC iPlayer.
- Official synopsis: four co-workers wake to find a stranger shot in their villa pool, with the identified weapon discovered locked in a drawer thousands of miles away in Swindon.
- Don Gilet returns as DI Mervin Wilson alongside Shantol Jackson, Ginny Holder, Shaquille Ali‑Yebuah and Élizabeth Bourgine, with guest stars Josie Lawrence, Kate Ashfield, Pearl Mackie, James Baxter, Billy Harris, Oriana Charles and Alix Serman.
- Commissioner Selwyn Patterson is absent after leaving at the end of Series 14, a change the cast say leaves an emotional gap, and the special hints at help from a familiar face linked to the UK.
- International viewers can watch on BritBox from Monday, December 29, and a 15th series is expected in early 2026 without a confirmed date.