now but realize the shark they escaped is now the one fighting for its life. >> you know great whites have to swim constantly to get the oxygen through the water so they can survive. if he stays in that cage he's going to die. >> despite his ordeal, jerry doesn't want to see the shark die, so the group works together to tip the cage and free it. and when he returns to land, jerry can't seem to free himself of the memory of his close encounter. >> i mean, i had nightmares for probably four to six months after that just waking up. wow, put your arm somewhere and he bites your arm off. >> finally, he's at peace with what happened that day. >> i have kind of come full circle. before i was more in the corporate world and now actually for a living i'm a dive instructor. >> a dive instructor? that's right. perhaps the most surprising part of this whole story is jerry loman now runs his own dive company out of thailand. >> i'm surprised that i'm actually a dive instructor for a living.