Unit Chief Jack Garrett and his international response team are called to Tanzania when a 23-member church group disappears.
Mr. Eko questions Charlie about the Virgin Mary statue; Claire begins to lose faith in Charlie when she learns his secret; Jack watches with interest as Kate gives Sawyer a long-overdue haircut.
Mr. Eko seeks Locke's help in finding a secret location he believes holds the key to the island's mysteries; Jack and the other survivors grapple with the horrific situation in the hatch.
Delirious Eko wrestles with past demons; some of the castaways go to the Pearl station to find a computer they can use to locate Jack, Kate and Sawyer; Jack does not know whom to trust when two of the Others are at odds.