Devil's advocate

Summary: During their mission in the Wave, Team Seven happen across two men many believed to be dead. How will Uchiha Obito and his younger brother Uchiha Shisui cope in a world where their clan has been annihilated by their once gentle cousin, and said cousin's brother is after his life with a vengeance? Can they uncover the Truth of the Massacre and possibly Itachi's endgame? Wil