Really great old-school duckling fic from teenwitch77,
The More Things Change. The author has spot-on POVs, captures the subtleties of relationships, and uses what could be a melodramatic plot with sophistication and heart.
Summary: You hired a team. You connected with a team. You worked with a team. And you lost a team." The world the four of them inhabited had never been a normal one, and apparently it left its ties.