On a mission to retrieve a possible Innocence and its accommodator, the exorcists are thrown into a side of the world they never knew existed when they witness the destruction of an akuma by human hands. What is Chronos, and who are the Numbers?

What happened to you?" asked Eve. Train looked into the Mirror she gave him and saw blood red eyes look back."I don't know Princese" What will Happen to the Sweeper and his friends when they get a visit From a certain group of Exorcists?.