When Song Zihao met Lin Mu for the first time at the age of 5, he thought she was a nightmare because he had never seen a girl who could use violence to subdue the boss of the kindergarten class. 14-Year-old Song Zihao has never seen such a deceitful girl. She actually used his beauty to earn two people's pocket money. The 18-year-old Song Zihao gave up his struggle and was willing to be betrayed by Lin Mu. This is the story of the childhood sweethearts of an unscrupulous girl and a sultry boy.