After experiencing setbacks at work, Lin Yue has a one-night stand with Zhou Moxuan after getting drunk. When she rushes back to the office the next day, she discovers that her immediate superior is the very man she spent that intimate night with. Zhou Moxuan begins pursuing Lin Yue, and the two eventually marry and register their marriage. However, worried that her promotion might attract criticism, Lin Yue decides to keep their marriage secret. Meanwhile, another woman has long resented Lin Yue. Zhou Moxuan continues helping Lin Yue grow behind the scenes, and the two ultimately find their happy ending.