With the stress of her role as princess of Equestria draining her spirits, Discord offers Celestia a rather bizarre way to unwind for a day by hypnotizing her into thinking she's a dog. But is Discord truly ready to look after a pet of his own?
A stallion with no memory of his past. A mare on the cliffs by herself. Both on the shores of Horsehoe Bay on the same day. Who are they, and how are their destinies tied together?