FX: The Series - Season 2 Episode 5 Deep Cover
Overview: On location in London, the last person Rollie expected to see was FBI agent Elena Serrano. This time she needs Rollie's help in spiriting an undercover agent back to New York with his deadly cargo of bio-toxin. But the undercover agent is long dead, and the man beneath the mask is Rollie's nemesis, Victor Loubar -- international weapons dealer and chameleon master of disguise. By the time his ruse is revealed, Loubar is in deep cover, somewhere in New York ready to transfer the deadly bio-weapon to the highest bidder. Now Rollie has to find Loubar in a city of millions before he can close his deal. Satellite surveillance, identity switches, and a massive FBI investigation lead Rollie to a showdown at Grand Central Station. Someone's going to walk away from the fiery finish - but whose face will he be wearing?