Daniel embarks on a dangerous operation that brings up difficult memories of his first posting in Chechnya and the beginning of his friendship with Hector. Steven Frost finds a way to position himself for promotion at the cost of his deputy Robert. Valerie makes a discovery in her investigation into the Georgian radical Aleksandre Iosava.
Elenco: Richard Armitage , Rhys Ifans , Richard Jenkins , Michelle Forbes , Leland Orser , Tamlyn Tomita , Caroline Goodall , Mina Tander , Sabin Țambrea , Richard Dillane , Alexander Beyer , Ulas Kilic , Claudia Michelsen .