Lin Wan has a special liking for suspense reasoning since childhood and is extremely talented. After graduating from college, he chose to become the deputy leader of the special crime-solving team of the police station despite the obstruction of his family. In the past five years, he has solved many major cases. Just when she was about to be promoted to team leader, her mother pretended to be ill and threatened to resign if she got married, so Lin Wan, who had never been in love, embarked on a blind date. Xu Yun, who was far abroad, heard the news and immediately bought a ticket to return home. "Lin Wan, marry me." Lin Wan looked at the man who proposed to him and decided to hide the secret of her ten-year crush...