Dead island :Operation Zulu was the end. Now read how it all began in the exciting prequel, Dead Island : Dos! Sergeant Lin Morgan and Rollie Hale lead a team of soldiers on a mission to capture the head of a Mexican drug cartel. It will be anything but a cakewalk. The soldiers must battle cartel thugs, government conspiracies and ravenous zombies to survive. And cutting a path through it all is the evil Mister Black. DEAD ISLAND : Dos is filled with blood, guts and splattered brains. The zombie apocalypse begins in Mexico.