While working undercover as a bodyguard to arms dealer Harry, former-soldier-turned-secret-service-agent Ewan survives a bloody shootout with a member of an Islamic terrorist cell who steals Harry's briefcase full of Semtex explosives and escapes. Ewan's spymasters task Ewan with hunting down the cell members and retrieving the briefcase.
Debbie, a working class single mother from Leeds, moves her family to Bradford, where they find themselves in an ethnic minority. Daughter Leah must adapt to being the only white girl at school.