In the late 1970s, Cockney crime boss Harold Shand, a gangster trying to become a legitimate property mogul, has big plans to get the American Mafia to bankroll his transformation of a derelict area of London into the possible venue for a future Olympic Games. However, a series of bombings targets his empire on the very weekend the Americans are in town. Shand is convinced there is a traitor in his organization, and sets out to eliminate the rat in typically ruthless fashion.
Glendon Wasey is a fortune hunter looking for a fast track out of China. Gloria Tatlock is a missionary nurse seeking the curing powers of opium for her patients. Fate sets them on a hectic, exotic, and even romantic quest for stolen drugs. But they are up against every thug and smuggler in Shangai.