Conaway, Lindstrom and a third marine are hijacked by two men who have gambling debts. Conaway is shot and falls out of the helicopter and the others land on a small island. The third Marine is badly wounded but Conaway's wound is minor and he swims to the island and gets one of the hijacker's guns. However the criminal whom the hijackers owe arrives.

Meanwhile Kelly, Griffin and McCrae are evaluating equipment from a sales representative whom Griffin romances. Griffin turns down her pass, however. The equipment may prove useful when they discover the others are missing and try to go on rescue mission.