A lorry is found with people locked inside, some dead. With the survivors refusing to speak, Nikki and the team must use their pathological and forensic skills to identify them.

Aaron Garland, Deya Du Preez, Emilio Villa-Muhammad, Eoin Lynch, Gus Barry, Hector Abbott, Helene Maksoud, Jack Ryder, Josh Coombes, Kate Bracken, Lucy Black, Maisie Ayres, Maria Forrester, Muna Otaru, Nadine Marshall, Nicola Sloane, Ranhee Yoo, Sophia Carlo, Tommy Oldroyd