After a solo Contact event gone terribly wrong, Joseph Anderson, a Guardian and a large group of Fallen Eliksni are trapped in the world of Teyvat. Losing his light from the Fallen, Joseph is determined to get his light back. With the help of the citizens of Teyvat, will he get the answers he need to track down the Fallen?

After the fall of Beacon Academy and the Shadowkeep missions, Joseph plans to assault the Black Garden with his Guardian friends but before doing so, he looks for information about the missing Guardians that disappeared in the Black Garden, but it would lead him to a book to another world. Time has stoped for his world and he is unable to leave until he finds the key to leave.