After the wedding of Shining Armor and Princess Candace, Princess Luna tries to decide how to tell Twilight Sparkle about her feelings for her, but things quickly take a different, but interesting turn...
Princess Twilight Sparkle and Princess Luna work together to guide the spirits trapped in an old castle to the light. In the process, they learn valuable lessons from the spirits and each other.
In the world of Pokémon and Ponies two young fillies will meet at a large castle and become great friends but they will be torn apart by evil. One of them will help to save the world of Ponies and Pokémon from the evil group.
Princess Luna has always been the one to hide her feelings and try to not show signs of weakness but something has been troubling her heart recently. After raising the moon and going out for a flight, she decides to visit Twilight for some advice.
Since becoming marefriends with Twilight, Princess Luna has been more cheerful, more cheerful than she has ever been. This brings about suspicion from Celestia and causes her to want to figure out why her sister is suddenly so happy.
Luna lost a long standing bet to Celestia and now she must pay up. Twilight is not thrilled and thinks that giving Celestia a stern lecture will save her marefriend from a terrible fate.