The heroine, whose family was wiped out by the enemy because of some secret, was rescued by her family with her own life, but in the end she was forced to fall off a cliff and lost her memory. Later, she was rescued by the current prince, but there are too many secrets in the heroine that need to be solved step by step. The heroine is also growing up slowly with the companionship of the hero. Will the secrets in the heroine make the whole story become ups and downs?