Ash Ketchum arrives in Kalos to begin his quest of taking the Kalos League by storm but something is amiss. A small but powerful dark presence moves unseen and its target is none other than the young trainer himself. Joined by his childhood friend Serena, a mysterious being who refers to himself as X, and a cast of other characters Ash will learn what it means to truly love, find his innermost courage, and know what true strength is and where it comes from.