Murder on the Moon continues the adventures of Detective John Walker, a psychic cop. He is asked to investigate mysterious murders in a prison system located on the Moon. He arrives to find a huge prison complex in chaos, as a serial killer moves among the prisoners and kills at will……the main suspect is another super psychic, who has been sent to the prison complex to assassinate a corrupt business leader and the question is - who sent the killer to the Moon and why? Time is running out for Detective Walker!