Crossing Lines

Heat (3x8)

Air date: Nov 06, 2015

Polonium 210 is stolen from a British nuclear plant. An elderly former colleague of Dorn joins the investigation. He provides useful expertise, but clashes with Carine regarding the direction the investigation should take. During the search for the cargo of lethal polonium Carine faces a former researcher at the school, and make her question her ability to lead the ICC.