Master diver Frank McGuire has explored the South Pacific's Esa-ala Caves for months. But when his exit is cut off in a flash flood, Frank's team—including 17-year-old son Josh and financier Carl Hurley are forced to radically alter plans. With dwindling supplies, the crew must navigate an underwater labyrinth to make it out.

Mick and Kev – bored, unemployed and aimless in the western suburbs of Sydney – decide to rob a bank, more or less for the fun of it.

Washed ashore on a small island in the Pacific, shipwrecked Scottish sailor, Hamish MacKay, is quickly taken captive by local islander Adiben. On route back to Adiben’s village where an ill fate certainly awaits him, Hamish must figure out a way to escape his captor. At the same time, Adiben must make an impossible choice: to fulfil his responsibility to his people or to help a stranger lost at the far end of the sea.