On this Thursday’s season finale of White Collar (USA Network, 9/8c), Neal will fight to save someone he loves from dying at the hands of someone he might have loved.

In the following exclusive sneak peek, the con man gets a call from his traitorous ex Rachel informing him that she’s poisoned his beloved pal Mozzie.

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As if there was ever any doubt that the former MI5 agent is the devil in a very pretty disguise, she wants Neal to do something for her — or Mozzie’s won’t live to see another day.