The Tunnel

The police face a race against time to identify and capture the killer as he steps up his campaign, targeting a further elderly victim in his crusade. Strong language/violence. (S1, ep 3)

Karl and Elise hunt an elderly soldier before he freezes to death at the hands of the killer. Meanwhile, Sophie puts her trust in Benji. Strong language/violence/mature themes. (S1, ep 4)

The Truth Terrorist's third truth begins as Benji carries out his Samurai mission. The police hope to use Sophie to help trap the killer. Strong language/violence/mature themes. (S1, ep 5)

As the killer's incendiary fourth truth begins, Karl and Elise's suspicions fall on Stephen Beaumont. A manhunt begins, but is he the correct suspect? Strong language/violence. (S1, ep 6)

Police think they have a lead as the serial killer's actions escalate in his final 'truth', inciting mob violence in England and France. Strong language/violence/mature themes. (S1, ep 7)

French police capture but then lose the prime suspect before Elise disappears. As Karl searches Danny's flat, things fall into place. Strong language/violence/mature themes. (S1, ep 8)

Events take a nasty turn for Karl as police get within a hair's breadth of catching the killer. Strong language/violence/mature themes. (S1, ep 9)

Karl falls apart when the Truth Terrorist's change of direction becomes too much to bear. Series finale. Strong language/violence/mature themes. (S1, ep 10)