It is Christmas Eve, and T.C. is flying Rick to judge a beauty pageant, Thomas to play Santa Claus at a charity event, and Higgins to deliver a payroll to some of Robin Master's workers, before he goes home to spend Christmas with his family in New Orleans. But the helicopter suddenly develops problems and they are forced to make an emergency landing on nearby deserted Frenchman's Island. The remote isle is used by the Navy for shelling manoeuvres – and as the foursome try to find a way to safely make it off of the island, hopefully in time for Christmas, a Naval Captain, unaware of their presence, is hell-bent on upping his ship's target practice scores, and a shelling on the island is imminent...