One of the castaways is chosen to descend into the mysterious hatch, and Shannon stumbles upon a shockingly familiar face in the jungle.

After the raft explodes, Michael and Sawyer are left on what is left on the raft. They argue and nearly get eaten by a shark. Jin is no where in sight; Meanwhile, what happened to Locke and Kate when they went into the hatch is revealed.

Jack, Locke and Kate learn more secrets about the hatch. Meanwhile, after being beaten and taken captive, Sawyer, Michael and Jin wonder if their captors are fellow survivors or the dreaded “Others.”

Disturbing memories from Hurley’s past cause him to struggle with a task he’s assigned inside the hatch to watch over the food storage locker. Meanwhile Sawyer, Michael and Jin discover the identities of their captors whom are what’s left of a group of two dozen Flight 815 survivors from the tail end of the plane [...]

A desperate and growingly insane Michael sets off into the jungle by himself determined to find Walt, but discovers that he is not alone. Meanwhile, Sawyer and Jin are ordered by their captors, the tail crash survivors, to take them to their camp. But they are delayed when Jin and the hulking Mr. Eko are [...]

Sawyer’s wound becomes life-threatening as he, Michael and Jin make their way through the interior of the island with the tail section survivors, Ana-Lucia, Mr. Eko, Bernard, Libby, and flight attendant Cindy. Meanwhile, Shannon is once again haunted by visions of Walt, but she cannot convince a skeptic Sayid that her visions are real. More [...]

48 days ago, the tail section of Flight 815 crashes. The survivors struggle to live when some other people on the island continue to kidnap some of them.

Tempers flare when Ana Lucia and her group stumble upon Sayid and the other castaways.