

Sons of the Sea is a 1939 British colour drama film directed by Maurice Elvey and starring Leslie Banks, Kay Walsh, Mackenzie Ward and Cecil Parker. In Britain in 1939, the Captain of Dartmouth Naval College is murdered. His successor, Captain Hyde, believes that he himself was in fact the intended target of the assassination. He soon begins to realise that both British and foreign intelligence agents are at work. He enlists the help of his son, a reluctant sea cadet, to smoke them out.