Serena Yvonne and Ash Ketchum have been best friends since they were 4 years old, and the two of them are now entering the world of high school. Serena has always seen Ash as a brother, a BFF, but a small incident makes her rethink their relationship. Serena will now have to choose what she wants to do, deciding which road she wants to take.

Serena and Ash grow closer together throughout their travels but when a army of undead Pokemon from the future attack the current present time its up to Ash and all of his friends to stop them, but Who is this mysterious Revan figure that keeps appearing and watching over Ash