Brothers Stephen and Bloom are international con-artists who are ready to retire at a young age, having amassed huge wealth through their crimes. Eager to retire, Bloom agrees to take part in one last grand scam by taking advantage of a lonely, eccentric millionaire called Penelope. But when a genuine romance begins to blossom between Bloom and Penelope, Bloom finds himself reluctant to exploit her naiveté, but Penelope has already taken the bait. As Stephen's elaborate web of deceit pulls tighter, Bloom begins to wonder if his brother has devised the most dangerous con of his life.