Strike Back Series 7 - Silent War DVD   BBC

When a British soldier is killed on an undercover mission in South East Asia, Section 20 - an elite covert military intelligence and counter-terrorism unit - are reactivated to investigate. It’s a mission which leads the team - Sergeant Thomas McAllister, Sergeant Samuel Wyatt, and Corporal Gracie Novin - into a deadly conspiracy that threatens to throw the world into war. With a new CO at the helm, Colonel Alexander Coltrane, the team is forced to join forces with a rogue Russian operative Katrina Zarkova. But trusting the enemy might be the deadliest mistake of all....