Lin Mumu, a straightforward and principled college student, her tentative lover Ren Hao and her suitor Zhou Weike. Due to the different order of first come, first come, family background, help or hindrance, calm or enthusiastic personality, and differences in outlook, the two had a series of competitions. Mumu wandered and was confused, but in the end, he understood his heart and stopped wavering. Choosing the person he should choose was also choosing the life he wanted to live and the life he wanted to live.