The Tunnel (2013)

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

Genres: Action & Adventure, Crime, Drama, Mystery

What to watch after The Tunnel

• Ripper Street (2012) — Jamie Crichton wrote for both
• Silent Witness (1996) — Same feel: dark, serious
• Waking the Dead (2000) — Two steps away in the credits
• Whitechapel (2009) — Same feel: dark, serious
• Wire in the Blood (2002)
• The Fall (2013) — Same feel: dark, serious