So, my group had to stop in the middle of an adventure and we are getting back together tonight, but one of the guys…

So, my group had to stop in the middle of an adventure and we are getting back together tonight, but one of the guys…

So, my group had to stop in the middle of an adventure and we are getting back together tonight, but one of the guys can’t make it.  How do you  handle missing or rotating players?  Thanks.