Peer is sent to Ponyville to stock a safehouse, and wait for an infiltrator changeling to replace him. Three month's later, Peer preoccupies his time waiting with pet projects.
Fireside Chat is eager to take on his role in the world of slaying dragons after one dropped out of the sky, landing on his toy sword. Now eager to slay some dragons, Fireside overheard that Ponyville has one.
Derpy may not look the type, but she has a lot to think about. It's only after ponies go out of their way to talk to her about what's on her mind does she finally open up
A changeling physically breaks away from the hive, seeking refuge with Fluttershy, but he'll need to break away mentally with Twilight's help if he truly wants to be free.