The Summer Queens: A Frozen Retelling (смешанная)

A princess is born into Arendelle with magic, but a horrible accident destroys the joy it brought her. Isolated from her beloved sister and abused by her fearful parents, the princess loses control and in a moment of confrontation and takes the lives of the king and queen. Consumed with guilt she flees into the mountains, ignoring the pleading voice of her sister. Years pass by and the younger sister, once a spare but now the heir, prepares for her coronation. But when a grave betrayal costs her dearly, the new queen Anna must find her lost sister Elsa and convince her to come home, for only together can the sisters save their land.