The Shadow Line

Episode 1 (1x1)

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In the first episode, DI Gabriel (Chiwetel Ejiofor) has just returned to work after being shot on an undercover job; his partner was killed and Gabriel suffers amnesia with a bullet lodged in his head. He leads the police investigation of the murdered drug baron Harvey Wratten and finds himself in a race with the other side of the line, the drug dealers who want to know who killed their boss.