Kevin (Ryan Reynolds), Samantha and Rob live for 'Foolproof' their secret club where meticulously rendered, high-tech plans are developed to pull off extraordinary heists - all in theory, that is. They've never actually committed a real crime. But all that changes when a cutthroat gangster named Leo Gillette steals their foolproof plan for a diamond heist and successfully executes the robbery. Threatening to implicate the trio, Leo blackmails the amateur thieves into committing a near impossible robbery. Now more than ever, they need the perfect plan - not just to pull off the heist, but to get out alive!