The polar ice caps have melted, and the earth is covered by water. The remaining people travel the seas, in search of survival. Several different societies exist. The Mariner falls from his customary and solitary existence into having to care for a woman and a young girl while being pursued by the evil forces of the Deacon.

When his parents were killed, millionaire playboy Bruce Wayne relocates to Asia when he is mentored by Henri Ducard and Ra's Al Ghul in how to fight evil. When learning about the plan to wipe out evil in Gotham City by Ducard, Bruce prevents this plan from getting any further and heads back to his home. Back in his original surroundings, Bruce adopts the image of a bat to strike fear into the criminals and the corrupt as the icon known as 'Batman'. But it doesn't stay quiet for long.