Dr. Kelson finds himself in a shocking new relationship - with consequences that could change the world as they know it - and Spike's encounter with Jimmy Crystal becomes a nightmare he can't escape.
Starring Ralph Fiennes, Alfie Williams, Jack O'Connell, Erin Kellyman, Chi Lewis-Parry, Connor Newall, Maura Bird, Ghazi Al Ruffai, Robert Rhodes, Emma Laird