A bomb dooms the first space satellite, manned by a selfless crew, a stowaway reporter (Lois Maxwell) and a mad scientist (Donald Wolfit).

Tom Masterick, a dock worker, is wrongfully convicted of a murder charge. His death sentence is commuted to a long prison term. When released as an old man, he vows to find the real killer.

A mismatched collection of conscripted civilians find training tough under Lieutenant Jim Perry and Sergeant Ned Fletcher when they are called up to replace an infantry battalion that had suffered casualties at Dunkirk.

Forever England gives John Mills his first leading role as Brown. Born after a brief affair between his mother and a naval officer, he joins the Royal Navy during the First World War. There his bravery and marksmanship keeps a German ship in port so a British ship can sink it. He becomes a hero, but at what cost?