Adriatic Sea of Fire

In April 1941,Germany invaded Yugoslavia without a declaration of war;aboard a destroyer ,opinions differ:shall we surrender or shall we join the British fleet in Malta?Two young lieutenants would like to continue the war,but their superior is a coward and it's a capitulation . Both officers refuse to salute the new flag .Lieutenant Michel Masic and his companion carry on with their fight :after their sacrifice ,all their men will become resistant fighters .