The plot follows detectives Karl Roebuck and Elise Wasserman working together to find a serial killer who left the upper-half body of a French politician and the lower-half of a British prostitute in the Channel Tunnel, at the midpoint between France and the UK. They later learn that the killer—who comes to be nicknamed the "Truth Terrorist"—is on a moral crusade to highlight many social problems, terrorising both countries in the process
The Tunnel (Season 2)
Episode 1 8.0
Air date: 2016-03-07
Runtime: 50 min
Overview: Elise Wasserman and Karl Roebuck investigate when a couple are abducted from the Channel Tunnel in front of their young daughter. Events take a dramatic turn when a plane crashes into the Channel.
Episode 2 9.0
Air date: 2016-03-07
Runtime: 47 min
Overview: The hunt for Madeleine becomes a matter of international urgency but Elise's investigation slows as she is forced to keep new evidence from Karl. Further links between the abduction and plane clash are discovered.
Episode 3 8.0
Air date: 2016-03-14
Runtime: 47 min
Overview: As the investigation continues and terrorists plan a further attack in France, a man comes forward with links to Robert. Elise uncovers disturbing facts about Eryka's past and Karl follows a hunch.
Episode 4 8.5
Air date: 2016-03-14
Runtime: 46 min
Overview: Karl and Elise receive a tip-off from a woman they believe knows Robert Fournier's whereabouts. But can she be trusted?
Episode 5 8.5
Air date: 2016-03-21
Runtime: 48 min
Overview: An unexpected revelation threatens to turn Karl's life upside-down. Meanwhile, Eryka reaches out to Elise and Rosa offers the team a cryptic clue.
Episode 6 8.5
Air date: 2016-03-21
Runtime: 48 min
Overview: An anonymous package gives Karl his biggest breakthrough in the case yet. Plus, the investigating team receive a clear and violent warning.
Episode 7 5.0
Air date: 2016-03-28
Runtime: 48 min
Overview: The team are forced to strike a deal with Vanessa. Meanwhile, someone tries to warn Karl off the case and Elise crosses a line she may quickly come to regret.
Episode 8 8.5
Air date: 2016-03-28
Runtime: 50 min
Overview: A lethal attack is launched and Elise and Karl's lives are thrown into jeopardy as the second series of the gripping crime drama ends in a nail-biting showdown.
Seasons
Episodes 10
Episodes 8
Episodes 6