this episode of lost sees charlie struggle to with his herion addiction after he gave locke his stash in the previous episode.
Charlie asks for it back but locke tells him he would give the herion to him after he ascks three times.charlie takes it out on jack in the caves but the caves cave in and trap jack inside.
meanwhile sayid, kate and boone try to triangulate the French transmission but after charlie tells the rest of the survivours whats happened to jack boone and kate go to the caves.sawyer and shannon take over there jobs and succefully
triangulate signal but the plan is ruined after sayid is knocked out and the equipment is wrecked by someone.
charlie goes through a tunnel built by the survivours to rescue jack and he does thanks to a moth that leads him and jack out of the cave.charlie gets his herion back after asking three times but he throws it in a fire.
I think this episode is a good episode and has great character development for charlie and is a fine example of Lost.