Xia Tiantian just trained the school bully Guo Zhiyu into a "loyal dog" boyfriend, but was strongly opposed by her mother He Qingning. In He Qingning's mind, Qin Zhicai, the president of Xia Tiantian's company, is the perfect son-in-law. She is determined to do it herself, but she didn't expect that one day the mother and daughter actually swapped bodies! He Qingning began to do whatever she wanted with her daughter's body, while Xia Tiantian fought back with her mother's body. The two gradually understood each other in the chaotic exchange of lives. At the same time, two sweet romances are brewing...