Set shortly after "Lost Treasure of Griffonstone". Shortly after patching things up with Rainbow and Pinkie, Gilda ends up accidentally finding out about Trixie's role as Celestia's spy in the Apocalypse Ponies. After realizing how good it feels to actually have friends again, Gilda now decides to discreetly help Trixie with her spywork. After all, two spies are more effective than one, right?