After the journey Ana has made from her position in the Kailin Camps, the talented crystal-blood has arrived to the lands the other part of her heritage thrived. What she soon realizes is that her abilities are needed in other places. The Grimmer have grown strong in the time it took her to arrive in Dugrai, and they need to be stopped. Now, along with the families she has reunited with, she will fight to win the war against the beasts.

The Big Four have finished their epic adventure defeating Pitch Black and all of them get something special in return; Merida's mother, Hiccup's dragon Toothless, Rapunzel's parents and Jack's memories. But they fell in love, which is more powerful. Now Jack and Rapunzel have a daughter, a princess, with long white hair and blue eyes and Merida and Hiccup have a son, a prince, with brown hair and green eyes. But Mother Gothel is back, and kidnapping Sophia is the only way to start a more greater battle.....