After fighting vecna what is the gang doing now when the losers move over from derry how do they fit into Hawkins high

two boys, mike wheeler and will byers, reconnect after being separated for a year. when they meet again, things aren't the same as they used to be. what happens when a simple game of truth or dare determines their fate? - this all happens after the season 3 plot - unedited - written in 2019