Travelling through the galaxy, Jack Stone-Hard must save humanity by spreading his genes.

Jack Stone-Hard is the ultimate sex-machine. He is a phallic god with bulging muscles and a tireless appetite for sex. To stop a murderous AI from the future to kill humanity, Jack must travel from planet to planet with a lightspeed ship, to impregnate one woman at the time. Along the way, he fights drug cartels, religious zealots, space pirates, and female sex robots. Will Jack succeed with his quest and settle down with the woman with the best pussy in the galaxy, Melanie Bosom?