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 … Stephen Dillane, Clémence Poésy, Thibault de Montalembert, Cédric Vieira, Angel Coulby, William Ash, Tobi Bakare Added on Amazon Prime 2021-10-06. Youtube Trailer