S4: Shining Armor and Cadance have a baby!  Enter Shimmering Heart! Twilicorns destined and prized student.

Follow the shenanigans of Shimmering Heart and her 2 foal running buddies Pound and Pumpkin Cake through 3-4 episodes of mystery and wonder including encounters with sea ponies!

Oh Noes Pinkie pie! get that bag of flour ready!