When general Morden, a corrupt and powerful army general, has staged a coup d'etat, Marco Rossi and Tarma Roving, members of an elite army task force, use the Metal Slug tank to crush Morden's rebellion and restore order.
Ryô Sakazaki and Robert Garcia are both best friends and fierce rivals. When Ryô's sister, Yuri, is kidnapped, both men must take to the streets to track her down.
Shiro Tokisada Amakusa, slain in 1638 by the forces of the Tokugawa Shogunate, is revived as a satanic demon, and unleashes his dark powers to bring chaos to the world. An assortment of warriors converge to put a stop to him.
