>> so, at that point, i knew, you know, now our time is limited. >> tensions are rising and so is the 40-degree water inside the raft. hypothermia is a grave concern, and there's more danger in store. >> good thing the water's not rough today. >> within minutes of abandoning ship, the stern starts to sink and rears vertically up and heads towards them. >> look out, you guys. it's coming this way. >> the bow was sticking straight up and i said, hey, watch out. you know, the boat is going to come this way. i thought it was going to swamp us. >> irene is sinking. >> push the water in, don't do that. don't do that. we're taking on water, guys. >> there was a couple of the passengers actually one in particular that she was really getting uneasy.