serious trouble. i'm fighting for my life. >> the current sucks gary into the mouth of the cave and hurls him perilously close to the jagged rocks. >> once gary was swept in there and the swells were coming in he was trying to dive under them and they were popping up. one minute they are popping up over here. the next minute they are popping up over there. it was just relentless. >> he is right there, behind you, he's going in the cave. >> we were kind of trying to direct gary to where the kid is. but at the same time, trying to tell gary to get out. >> another bystander, kevin cotter, sees the teen and gary struggle against the powerful surf and prepares to jump in. >> then kev, he jumps off from the other side and tries to get the kid in and needily he is fighting for his life. >> he's right there. >> all the while, hillary kept pointing out where the young man was. >> he's right there! >> and i'm trying to follow where the young man is. i see gary is at this point