The 48 survivors scavenge what they can from the wreckage of their plane; a frightful creature appears to live in the jungle; the survivors' pasts threaten their ability to survive as a group.
The castaways' spirits are temporarily raised with the discovery of a transceiver in the wreckage; the group discovers handcuffs, a gun and an animal that shouldn't be able to survive in a tropical climate.
Sydney is called in to meet with Mitchell Yager a counter-intelligence analyst who is investigating Vaughn.
Jack is attacked and captured by Sloane who reveals that in 24 hours the final Rambaldi machine called The Telling will be complete.
To learn the location of a stolen NSA code-breaker an undercover Sydney must convince a murderous arms dealer to fall in love with her. Meanwhile Vaughn fears that Weiss might have been killed on a mission and Sydney and Jack argue about telling Nadia the horrible truth about her mother Irina.