Andrea Gabriel

A leak of classified information from the CIA puts the lives of several operatives at risk, so the team works swiftly to expose the mole.

When Nicolas (recurring guest star GILLES MARINI) invites Caroline to a dinner date at his loft, she asks Max and Deke (recurring guest star ERIC ANDRÉ) to join her to help make sure she doesn't do anything she might regret. Also, Max and Caroline treat themselves to very special hair appointments.

Caroline goes into a tailspin and brings Max into the mix when Nicolas (recurring guest star GILLES MARINI) tells her he's going to leave his wife for her.

Sayid's life is in danger after he discovers the source of the mysterious French transmission; Hurley concocts a funny plan to bring civility to the island.

Locke must enlist the help of an unlikely ally when the hatch takes on a life of its own.

Blair and Chuck make a promise to each other; a search for Serena yields surprising results.