Acting on a bit of inside information, two London crooks break into a safe and make off with the contents. The mood in both their homes is buoyant as the amount they have got away with is extremely substantial. However, when the newspapers announce that on the night of the robbery Mr Nettles the owner, was viciously gunned down, not only do they now have their wives on their case and the police after them for murder, but there is also another gang who have discovered who opened the safe and will stop at nothing to get the contents back. But why?