沪漂女钱菲是一名投行女民工，她多年省吃俭用，和男友汪若海一起买的房子终于交房了，然而汪若海受到了总裁千金廖诗语的青睐，和钱菲分手，钱菲突然遭遇失恋和公司裁员，迫于还贷压力，她不得不找租客一起分担压力；隐形富二代、投行业精英李亦非和女友桂黎黎在经济窘迫下住进了钱菲的家，二人不久就分手了。钱菲和李亦非在同一屋檐下贫嘴逗乐，发生了很多鸡飞狗跳的事，没想到，二人因为巧合都进入了杉立方集团上市项目组，而这个杉立方集团正是汪若海和廖诗语所在的公司。
钱菲在工作上受到了很多责难和压力，李亦非多次帮助钱菲度过危机，他们在公司和家里不断磨合相处，逐渐产生了感情，二人互帮互助、在彼此工作低谷时帮助对方，在家人出事时陪同对方、扶持对方，最终钱菲和李亦非在事业上都有了更高的成就，实现了自己的理想，他们的爱情也成了投行业的传奇故事。
Qian Fei, an investment bank employee, was originally immersed in the happiness of planning her future life, but unexpectedly, her fiance Wang Ruo Hai chose not to walk with her anymore. From then on, Qian Fei was forced to embark on the arduous journey of re-planning her life and career. Rich second-generation Li Yi Fei wanted to make a career and only regarded love as a kind of icing on the cake. His girlfriend Gui Li Li couldn't live a life without money and left him. Under the teasing of fate, Qian Fei and Li Yi Fei, who have completely different outlooks on life and love, gradually come to an intersection. In order to repay the mortgage, Qian Fei rented out a room to the rich second-generation Li Yi Fei, and since then started a shared life with Li Yi Fei. Faced with Li Yi Fei, who is completely opposite to her, Qian Fei, with the help of friends, family, and colleagues, bravely faces difficulties and contradictions with an uncompromising and aggressive heart and grows quickly.
