A Strange link between two universes and their realities is created at the wrong place and wrong time causing permanent damage. The original timeline has bee overwritten by a new one, one that changes the universe itself.
In the future, two faces from different realities that should have never met, did. Now Serena and Sans must work together to help each other and fix Serena's temporary memory loss. Together they can make a difference in this new universe with new possibilities just like in the original's beginning as they discover their true purposes.