As a soldier in a unit, Bo Meishu bears the responsibility of protecting the sea deity, living a solitary life in its pursuit. But her world changes when a stranger, Xiuli, falls from the heavens with no memory of her past. As Meishu nurses Xiuli back to health, she realizes that Xiuli bears a striking resemblance to her secret admirer. Despite their differences, Meishu finds herself feeling more than she ever imagined, especially as Xiuli begins to remember her past. However, their growing bond is not without consequence, as Xiuli brings with her a dark destiny that threatens the warrior's future.