After his brother's amaterasu burns 'Tobi', Sasuke flees with his brother's body, only to discover Itachi's still alive. 'Enlisting' Sakura's medical skills, Sasuke prepares himself for an emotional confrontation with his brother, one that will decide the path he chooses from here on out. No pairings, AU after the Uchiha fight.

In one world, after defeating his brother, Itachi Uchiha dropped dead, victim of a mysterious disease, and the future of the ninja world was set for the worse. However, in another, Itachi was not sick. From this small difference, many changes will spring, and many plans will be overturned. The path of the last of the Uchiha, and the world itself, will be altered forever.