David S. Lee

It's decision time for Jack and Kate as they find themselves at odds on which direction to take in order to save their companions. Elsewhere, John Locke further solidifies his position as leader of `The Others', and Juliet and Sawyer are scrutinised by the DHARMA Initiative.

After losing his life savings to Percy via a plan gone wrong, Birkhoff hacks into an old network which trips a trap set by the FBI.

Nikita and Michael invade Division in an attempt to capture Percy, and Alex and Sean get caught in a deadly gunfire battle with the U.S. Marines.

Percy threatens to set off a nuclear explosion unless his demands are met. Nikita realizes the best way to stop Percy is to go into the belly of the beast: Division itself.

An annoying floater takes a romantic interest in Violet. Ritter catches a local politician in a compromising position. Mouch and Severide help Trudy with an arson investigation.

Nikita finds herself alone and on the run, framed for assassinating the President. Following a lead that could clear her name, she's reunited with her team.