Lost: The Moth

SINOSSI

Trying to kick his drug habit with encouragement from Locke, Charlie starts to go through heroin withdrawl, struggling with his resolve. Jack is trapped in a cave-in, and Charlie becomes trapped with him when the first rescue tunnel collapses as well. Kate, Sayid, and Sawyer attempt to triangulate the position of the distress signal coming from the island. Charlie has flashbacks of his rock band, and his decent into drug abuse.