The movie starts off after the events of Episode 3, when Kisaragi had sunk. The Mikawa Fleet (Furutaka, Aoba, Kako, Kinugasa and Tenryuu) are in the middle of Night Battle. Choukai uses Searchlight and gets medium damage, but they win in the end. A New Fleet Girl gets "dropped", emerging from the sea. It is Kisaragi. Kisaragi is brought back to the temporary base in Solomon Islands, but she is suffering from PTSD and has amnesia, unable to remember anyone from back in the anime, excluding Mutsuki... (Source: Wikipedia)

Dragon Cry is a magical artifact of deadly power, formed into a staff by the fury and despair of dragons long gone. Now, this power has been stolen from the hands of the Fiore kingdom by the nefarious traitor Zash Caine, who flees with it to the small island nation of Stella. Frightened that the power has fallen into the wrong hands, the King of Fiore hastily sends Fairy Tail to retrieve the staff. But this task proves frightening as a shadowy secret lies in the heart of the kingdom of Stella. Dragon Cry follows their story as they muster up all their strength to recover the stolen staff and save both kingdoms.

[Written by MAL Rewrite]

With strange events occurring at Reien Girls' Academy during winter break, Azaka Kokutou, a student and apprentice mage, is sent by her master to investigate. It turns out that another mage has been stealing the students' memories using fairies that, despite her magical talent, are invisible to Azaka. So Shiki Ryougi, an acquaintance with special eyes who can see what Azaka cannot, is also sent to the academy to help with the crisis. 

However, the two have trouble getting along, mainly due to the fact that Azaka views Shiki as her romantic rival. But when the fairy situation quickly spirals out of control and more layers of the mystery are revealed, Azaka must learn to work with Shiki in order to save her classmates.

[Written by MAL Rewrite]

The mysterious island of Houraijima has reappeared after 50 years, and with its reappearance has brought the attack of four gods, the Shitoushin, who have their eyes set on the powers that protect and sustain the island. Now it's up to Inuyasha and his friends, along with Sesshoumaru, to find a way to defeat the powerful Shitoushin. 

(Source: ANN)