The plot follows Leïto (David Belle), a native of B13 who fights to rescue his kidnapped sister, and Damien (Cyril Raffaels), a elite undercover cop. Together, they must disarm a neutron bomb set to destroy the district. The film is famous for its continuous, unbroken takes of parkour stunts—specifically the opening chase sequence, which has no CGI, no wires, and no stunt doubles.
Marco looked at his own hands. Thin wrists. Scars on his knuckles from last year’s fight. He thought of the concrete labyrinth outside their window: broken stairs, scaffoldings, chain-link fences, flat rooftops. district b13 english audio