Pinkie Pie’s super-best-friend-sister bond is challenged when Maud gets a boyfriend that Pinkie can’t stand.

After new revelations surface, Peter and Rose scramble to find more evidence with help from Chelsea and Maddie. A bigger threat looms at Camp David.

With lives at stake, the group tries to stop a nefarious plot before it’s too late. In the aftermath, Peter confronts the past and begins a new chapter.

Monarch closes in on Cate, Kentaro, and May as they try to track down a key individual. Keiko, Lee, and Billy stumble on a major find.