Destination Moonbase Alpha

A spaceship lands. From it step familiar figures. They are the brothers and lovers, friends and colleagues of the Moonbase Alpha personnel. They have come on a rescue mission. The survivors will be taken back to earth. One man fails to enjoy the deliriously happy reunions. He is the Moonbase Alpha commander, John Koenig. A man of tremendous strong will, he is the only one able to resist the uncanny spell cast over his companions by the newcomers... The one man to see these so-called earthmen as they really are - terrifying monsters from another planet who have transformed themselves into the images of those the moon's inhabitants knew so well on earth. They have come on a mission which is life or death for them but certain death to everyone on Moonbase Alpha...