Steve MacKendrick resigns from the US Army after causing the needless death of a fellow officer. Wanting to serve in the war, he enlists as a Canadian in the British 1st Parachute Brigade. He proves himself exceptionally skilled for a recruit, arousing the suspicion of his commanding officer who starts an investigation. He redeems himself during combat. The film was titled “Paratrooper” in the US.

John, a blacksmith and swordsmith, is tutored at Camelot. As a commoner, he can’t hope to win the hand of Lady Linet, daughter of the Earl of Yeoniland, so he creates a secret alternate identity as the Black Knight. In this new role, he is now able to help King Arthur when Saracens and Cornish men—disguised as Vikings — plot to take over the country.