David Callan, secret agent, is called back to the service after his retirement, to handle the assassination of a german businessman, but Callan refuses to co-operate until he finds out why this man is marked for death.

On the Moon in the year 2021, a former-astronaut-turned-salvager helps a millionaire space industrialist capture a 6000-ton sapphire asteroid, while also assisting a woman in finding her missing miner/prospector brother

An alien princess aids people stranded on out-of-orbit Moonbase Alpha.

A princess from a Nordic European country is obligated to marry the boy her family chose. She escapes and discovers love in the arms of a beautiful swimming teacher.