Lin Wan and Shen Qinghan met in their childhood, but were separated because of human traffickers. Lin Wan became an assassin, constantly searching for Shen Qinghan. To escape the assassin organization, she accepted the task of assassinating the crown prince but accidentally married Shen Qinghan. The two experienced misunderstandings and crises, ultimately confirming each other's identities and joining hands to expose the conspiracy. The two finally became a married couple and lived a happy life.