A fur trapper takes a mute girl as his unwilling wife to live with him in his remote cabin in the woods.
Race-car driver Blaine Striker grows concerned about his younger brother, a student at a medical school on the Caribbean island of St. Heron. General Turner has led a violent coup on this island and may be planning to blow up the school in order to blame the destruction on counterrevolutionaries. Striker infiltrates St. Heron, is captured, stripped to his tighty-whiteys, and electrotortured. He escapes, joins forces with the counterrevolutionaries, and foils a plot to assemble Russian missiles on the island.
Young Jim Hawkins, while running the Benbow Inn with his mother, meets Captain Billy Bones, who dies at the inn while it is beseiged by buccaneers led by Blind Pew. Jim and his mother fight off the attackers and discover Billy Bones' treasure map for which the buccaneers had come. Jim agrees to sail on the S.S. Espaniola with Squire Trelawney and Dr. Livesey to find the treasure on a mysterious isiand. Upon arriving at the island, ship's cook and scaliwag Long John Silver leads a mutiny of crew members who want the treasure for themselves. Jim helps the Squire and Espaniola officers to survive the mutiny and fight back against Silver's men, who have taken over the Espaniola.
Young Jenny heads to the South of England to start a new career as a school teacher. Even before she has had a chance to settle in she meets Patrick, one of the local "lads". Within a short time she has her hands full when a number of the local boys take a liking to her. But who will be the lucky one who wins her affections?
Norman Puckle (Norman Wisdom), a well-meaning but clumsy grocer's assistant, can't seem to do anything right. After being rejected by Marlene, the love of his life, he attempts suicide, but can't even do that. He is saved from jumping off a cliff at 'Lover's Leap' by a Royal Navy petty officer. He persuades Puckle to join the Royal Navy, where he'll meet 'lots of girls'. Life in the Navy proves not to be as rosy as it's been described, and Puckle fails at every task during basic training. But despite this, he's regarded by the Admiral in charge of a rocket project to be a 'typical average British sailor', and chosen to be the first man to fly into outer space in an experimental rocket.
International terrorists attempt to kidnap a wealthy couple's child. Their plan comes unstuck when a deadly Black Mamba, sent by mistake instead of a harmless snake, escapes and the terrorists and several hostages are trapped in the boy's London home.