When a deal goes wrong and the team are left with a priceless diamond, they are forced to take on their most dangerous mark to date. Mickey thinks they can keep the necklace if Emma is willing to trick Toby Baxter, the rich recluse who had it stolen to order. The team put everything in place to back up the fabricated story, but has Emma agreed to the risky plan for the wrong reasons? And if so, will Baxter see through her lies?