The story continuous after GOT S8E5 - after Dany burned down KL and killed many innocent people. A Jonerys Story - and some changes in GOT ending.

After Jon Snow killed his one true love, Drogon took her body to Essos, meanwhile, Jon Snow went back to the Wall, then joined the wildings. He thought he could start a new life. A new life without his love but he couldn't get over his remorse.