Londoner Harry Fabian is a second-rate con man looking for an angle. After years of putting up with Harry's schemes, his girlfriend, Mary, becomes fed up when he taps her for yet another loan.
An American ex-GI takes a job as a truck driver to support his British war bride Connie. It isn't long, however, before Harry is blackmailed into joining a smuggling operation run by a conniving criminal.
A rich American businessman in London makes believe he's lost all his money so that his daughter will marry a composer.