In the future mankind has colonized the bleak expanses of the moon, building shining cities which stand proudly where once was only desolation and emptiness. But there are forces that do not want mankind to succeed, forces that have nothing but hatred for the brave men and women who have transformed the face of the moon. Strange waves of power emanate from deep below the surface of the dark side of the moon, where a centuries old alien power known only as "The Sleeper" waits for the day it will arise to spread destruction. Only one man can stop it, one man whose fate and destiny have brought him to the moon, a member of The Bounty Dog Investigation Unit. A high-tech cybernetic mercenary team, The Bounty arrive on the moon to investigate the strange waves of energy, only to find themselves caught up in a desperate attempt to destroy "The Sleeper" before it awakes and obliterates all traces of man- kind on the moon, and on earth! The Bounty Dog Investigation Unit race to uncover the ancient evil on the alien side of the moon, while the forces of "The Sleeper" begin to emerge, bringing closer the ultimate catastrophe that only one man can prevent, if only The Bounty Dogs can get there in time!