Lost!!!

[Desroko]

Very briefly, in the present first.

Jin, Bernard, and Sayid ambush the Others at the abandoned beach camp. They kill mostof them, but are captured by the survivors.

Locke, after being shot by Ben and left in a pit, contemplates suicide, but is seemingly healed by a vision of Walt.

Charlie swims down to the underwater station that is jamming communications from the island, and captured by two of the Others. Desmond stays above at first, but is chased down to the station by Mikhail, ordered there by Ben.

Ben and Alex meet up with Jack's group near the radio tower. Ben tries to blackmail Jack into giving up on it by ordering his people at the beach to execute Jack's three. He was bluffing, but Jack desn't know that, and beats the hell out of Ben and ties him up. They shut of Rousseau's signal, but the jamming won't let them contact Naomi's boat.

Hurley uses Ben's father's old van to rescue the three on the beach, with help from Sawyer and Juliet.

Desmond hides in the station. Mikhail betrays and kills the two Others down there, but Desmond shoots him with a harpoon gun. Before dying, one of the women tells Charlie how to shut off the jamming. He does so, and immediately gets a message from Penny, Desmond's girlfriend, telling him that it's not her boat that's waiting offshore. Mikhail blows the window with a hand grenade, and Charlie, before drowning, passes on the warning to Desmond.

Locke catches up with Jack's group and stabs Naomi, the woman from the boat, before she can contact her people. Jack does the honor the instead.

Some time in the future, Jack is also contemplating suicide, and one of his attempts causes a woman to crash her car. He wants to perform the surgery (shades of how he met his ex-wife) but his new boss won't let him, as Jack is obviously mentally unbalanced and drug and alcohol addicted. He attends a funeral in Los Angeles (we don't see the corpse), where he is the only mourner. He contacts Kate and tries to convince her that whatever they did on the island was a mistake, and that they need to go back. Kate refuses.