Lu Xixi was controlled by Shen Wang's paranoia for three years and then jumped into the sea. She was unexpectedly reborn and returned to the day she confessed to Shen Wang. With the memory of her past life, she is determined to reverse the relationship and make the aloof Shen Wan her "good dog". In the process, she guided her step by step, broke the misunderstanding in the previous life, and came together with Shen Wan. The reborn Cheng Yuan suddenly appears and tries to stop him. Lu Xixi jumps into the sea again to return to Shen Wan. In the end, the two break up the estrangement, stick to each other and move towards the future. Chen Mo, a poor student, was asked by his mother to get into the top 100 in his grade, otherwise his credit card would be frozen. He sent a WeChat message to his classmate Su Wanqing, the school beauty who was number one in grade, to make up lessons, which caused a misunderstanding.
