Mission: Impossible - Season 4 Episode 21 -

The IMF's task is to find out who is running a U.K. spy ring. The team's lead is Lady Cora Weston, who seduces men in sensitive intelligence positions. Phelps' plan calls for him to pose as a U.S. naval officer who will be Lady Cora's next target. The plan is complicated when Lady Cora falls for Paris, posing as another U.S. official. Paris also falls for Lady Cora. These entanglements become even more complicated when the IMF discovers the identify of the spy ring's leader.