After Slacking Off, My Boss Started Watching Me.

Song Qingtian works at a branch of Gu's Enterprises, where she helps her ex-boyfriend become the branch's general manager. Her ex-boyfriend, Wang Shuo, cheats on her with a new intern, Ji Wanqing, who becomes Song Qingtian's direct supervisor. Ji Wanqing constantly targets Song Qingtian, causing projects to lose their core leadership, resulting in delays and a 200 million yuan loss for the company. Gu Jingchen, the president of Gu's Enterprises, enters the branch as an employee to investigate, and Song Qingtian, in a fit of despair, tells him to give up. Gu Jingchen prepares to fire Song Qingtian but discovers that she was once a core member of the company. Through a series of coincidences, Gu Jingchen learns the reason why Song Qingtian is not being valued and stands by her side, helping her regain recognition and confidence within the company. The two develop feelings for each other while working together and eventually become a couple.

Synopsis from DramaGo.