Clear the desk and clear the decks. There's a fabled Nazi U-Boat down in the depths of the ocean, aboard is gold, lots of gold. So it's time for a not so motley crew of submariners to go forth - in an antiquated submarine - and try to set themselves up for life. Naturally nothing goes as planned, there are hidden agendas, rival factions...

Laid off from his job, "Robinson" (Jude Law) gets wind of a rumoured sunken horde of Nazi gold at the bottom of the Black Sea. He manages to cobble together some funds, recruit the ultimate in disparate crew - half British and half Russian, and somewhat implausibly obtain a WWII submarine that is only really held together by rust. Off they go in...