Scott has a serious talk with his son whilst the rest of Section 20 form an uneasy alliance with a couple of CIA mercenaries as they go after Shiro and Mei Foster.
Strike Back is based on the eponymous novel written by ex-British Special Forces soldier Chris Ryan.
Strike Back is a compelling story of betrayal, glory, redemption and revenge played out through the interlinking lives of two former soldiers: military hero Hugh Collinson and discharged veteran John Porter.
Strike Back - Legacy: Episode 4 Synopsis and Schedule