Josephine Chesterfield is a glamorous, seductive British woman who has a penchant for defrauding gullible men out of their money. Into her well-ordered, meticulous world comes Penny Rust, a cunning and fun-loving Australian woman who lives to swindle unsuspecting marks. Despite their different methods, the two grifters soon join forces for the ultimate score - a young and naive tech billionaire in the South of France.