Every hundred years, the kingdom of Lemuria sends its heiress to the temple of the goddess Aurora to ask for her protection and to make a wish. For the new heiress, Celeste, the road will be long and full of pitfalls, but she is endowed with the arms of Lemuria as well as the unicorn Sadalbari. What she doesn't yet know is that her glorious destiny is not unique: she will share it with four other unicorn heiresses...