A gripping tale of WWII naval warfare in the Baltics, starring John Mills as Lt. Freddie Taylor, a British submarine Captain. The crew of the Sea Tiger are summoned from leave on shore with their families, and sent on a secret mission to intercept the Nazi battleship Brandenburg. In the ensuing battle the British submarine is damaged by a German destroyer. The submarine is leaking fuel so badly that the crew won't be able to make it back to Britain before running out somewhere along the Danish coast. When it seems that their only option may be to blow up the submarine and try to escape to Denmark, seaman James Hobson hatches a plan...
A cracking wartime adventure about a submarine tasked with tracking down and destroying the new Nazi battleship "Brandenburg". The added authenticity of this being actually made during the war is hard to overstate; there is a palpable tension as Eric Portman and John Mills take centre stage in this - admittedly "flag waving" production. Featuring a daring raid on a fuel dump, a tense cat-and-mouse chase, and giving more than a nod to the concomitant problems faced by the families left behind ashore; this is a taut and convincing tale of underwater seamanship.