Dash’s Checklist
1) Become captain of the Eventide Watch. Check
2) Convince Soarin, Lightning Dust and Sunset Shimmer to join. Check
3) Deal with the emotional problems of a timid coltfriend, a headstrong mare trying to prove herself and an all powerful mage that's terrified Celestia is going to show up and vaporize her?
4) Use said group to protect an alicorn of magic, who’s stronger than the entire Royal Guard combined?
5) Don’t stress out from all the press ready to bash away at every attempt you make to prove that you are capable as Captain?
6) Have three buds to take care of you when everything goes to Tartarus as you’re embroiled in a political plot that will possibly create soldiers that can fight against alicorns? Check.

Sunset begins to correspond with Twilight though the Princesses' book, and she's gonna need a lot advice to get through the scary but strangely satisfying experience called Friendship.

Celestia has lived a very long time. Long enough that all but her sister has forgotten her name. A wanderer from place to place, The Princess travels, helping to save all those that she encounters. Always running, never stopping from a past she refuses to face.

(A Doctor Who inspired look at Celestia)

Unknown to all but herself and Celestia, Pinkie has an unknown past linking her to the wonderbolts. However when that past catches up with her, Pinkie shuts her mind down to protect her friends. Her friends, unaware of the danger, dive into her mind in order to save her but the past is moving quick and her friends aren't quite ready to understand exactly what makes Pinkie Pie Pinkie Pie.