Strike Back -- 4x08 Promo

With an assist from Nina, Scott and Stonebridge track down Matthias (Ryan Sampson), an eccentric young encryption analyst hired by Kwon and Li-Na to access vital nuclear-material codes. Later, Locke comes face-to-face with his nemesis, while Scott and Stonebridge intercept the interceptors of a key convoy. Written by Ed Whitmore & Jack Lothian; directed by Michael J. Bassett.