In which we serve is a story of a British destroyer, the H.M.S. Torrin, from its completion to its destruction at sea by the Germans. She is divebombed in the Battle of Crete, but the survivors carry on the fight. Through their experiences are shown the ordeals, the achievements and the gallantry of H.M.S. Torrin. Stars Noel Coward, John Mills, Bernard Miles, Celia Johnson, Michael Wilding and Richard Attenborough.