Two former enemies from high school whose lives keep intersecting end up in a contract marriage with each other as adults. Xu Jian'an (Cheng Xiaomeng) is an unknown author whose family is in a tough spot. To alleviate her situation, she has no choice but to agree to enter into a contract marriage with Lu Boyan (Ren Yankai). Lu Boyan has become a guru in the world of investments. The two people who have very different temeraments are also at odds due to a childhood misunderstanding, yet they must know learn to live together. Will their time together be sweet or will there be war?