Jeremy Clarkson tells the dramatic story of the Arctic convoys of the Second World War, from Russia to the freezing Arctic Ocean.

The story of PQ17, a convoy supplying Russia via the Arctic Ocean during WW2. On 27 June 1942 it set sail from Iceland with 35 merchant ships and a large escorting force. Due to indecisiveness and ineptness at the highest level, 24 of those merchant ships were sunk, a maritime disaster of monumental proportions.—grantss