Urban girl Lin Xi accidentally meets business elite Fu Chiye after drinking. Waking up, she leaves hurriedly and mistakenly leaves a tip. Unexpectedly, after joining her new job, she discovers that Fu Chiye is actually the company's new power holder. Compelled by reality and coincidence, the two sign a one-year nominal marriage agreement. Getting along, the two work hand in hand to deal with exes' entanglements, various troubles brought by their original families, and workplace storms. In daily grinding and mutual guarding, the original contractual relationship slowly gives birth to sincere affection, breaking through reality obstacles and moving from agreement partners to lovers staying together for life.