Triple bill of cult features starring Vincent Price. In 'Master of the World' (1961), based on Jules Verne's 'Robur the Conqueror' and its sequel 'Master of the World', scientist Prudent (Henry Hull) and his team, who are investigating a volcanic crater in a hot air balloon, are taken captive by airship captain Robur (Price). Robur is on a mission to instill world peace but is using violent methods to do so. Can the hostages put a stop to the captain's plan and escape with their lives? 'Dr. Goldfoot and the Bikini Machines' (1965) follows the power-hungry mad scientist Dr. Goldfoot (Price) who creates a machine capable of producing an army of bikini-wearing robots. With the help of his assistant Igor (Jack Mullaney), the doctor commands his robotic subjects to seduce and rob wealthy male targets. When he learns one of the robots has been dispatched to rob a multimillionaire, government agent Craig Gamble (Frankie Avalon) is sent in to stop it. In 'Dr. Goldfoot and the Girl Bombs' (1966) the mad scientist plans to use his army of female robots to blow up high-ranking NATO generals, with the aim of starting a war between Russia and America. Secret agent Bill Dexter (Fabian) is assigned to try and stop him, but will he be able to concentrate on the job long enough to succeed?