First broadcast 2nd/3rd March 2026.<br /><br />Nikki, Jack, Harriet and Kit probe the suspected suicide of a British-Chinese activist while dealing with complicated international tensions.<br /><br />Emilia Fox - Dr. Nikki Alexander<br />David Caves - Jack Hodgson<br />Maggie Steed - Harriet<br />Francesca Mills - Kit<br />Lucy Cohu - Helen Garnett<br />Sean Gilder - DI Fred Casey<br />John Heffernan - Alex Burns<br />Harry Kershaw - Pike George<br />Ellena Vincent - DS Dawn Hayman<br />Angela Yeoh - Jackie Hiu Wai Li<br />Eduardo Muniz - Rodrigo Da Silva<br />Quanna Luo Masterson - Linda (as Quanna Luo)<br />Lars Berge - Bendik Voss<br />Benjamin Jia - Deng<br />Sunny Chung - Mei Li<br />Jason Thomas Brown - Rubbernecker<br />Siôn Grace - Plain Clothed Police Officer<br />Ayesha Dharker - Professor Asha Banerjee<br />Pepa Duarte - Woman in Video<br />Leila Mimmack - Elsa Kania
