Homeless and on the run from a military court martial, a damaged ex-special forces soldier navigating London's criminal underworld seizes an opportunity to assume another man's identity -- transforming into an avenging angel in the process.

Curator Harry Deane is an expert in fine art, but he's equally accomplished in taking abuse from his insolent boss. That's about to change. The plan - trick the avid art collector into buying a fake Monet painting. To assist in the heist, Deane hires a rowdy Texas cowgirl to help him fool the richest man in England. But as the plan begins to unravel, Deane finds he is falling in love with the rodeo queen, ensuing further complications.