Xu Qing You (Zhang Yu Xi) is ready to take her 10-year relationship with Fan Yun Xi (Li Zi Feng) to the next level, but when she discovers his infidel…
After her ex-boyfriend Fan Yunxi cheats on her, Xu Qingyou suffers a painful breakup and goes to a bar to drown her sorrows, inadvertently having a one-night stand with Mo Lingze. As the Operations Director at Lemi Company, Xu Qingyou swiftly addresses a crisis involving counterfeit products and exposes the slanderer. At this time, Mo Lingze takes over the business at Lemi Company.
Xu Qingyou goes to the bar and asks the owner to charge the bill to Mo Lingze. Her ex-boyfriend Fan Yunxi asks to meet and seeks forgiveness but is rejected. Mo Lingze insists she play an escape room game, which ends in failure. Lin Siyu, Mo Lingze's fan girlfriend, holds a masked party to pursue him, and her friend Fang Qi invites Xu Qingyou to the dance.
Xu Qingyou and Mo Lingze clarify their misunderstanding and discover that they did not have a relationship that night. Due to a model's absence, Xu Qingyou asks Mo Lingze for help in filming a promotional video. During the shoot, they gradually get to know each other better, and their feelings begin to deepen. To thank Mo Lingze, Xu Qingyou invites him out for dinner.
Xu Qingyou's parents urge her to get married. Fan Yunxi reminisces about their past and seeks forgiveness, causing Xu Qingyou to waver and ultimately forgive him. Lin Siyu warns her to stay away from Mo Lingze, but Xu Qingyou explains that they are not in a relationship. As she leaves, Xu Qingyou accidentally twists her ankle, and Mo Lingze takes her to the hospital.
Mo Lingze drives Xu Qingyou back to the company but ends up drinking due to his worries. Xu Qingyou learns about layoffs and confronts Manager Zhai, ultimately securing three months to prove herself. Fan Yunxi wants Xu Qingyou to quit her job and return home to get married but is rejected. Afterward, he gathers evidence to accuse Lemi Company. Xu Qingyou hosts a dinner for Mo Lingze.
Xu Qingyou distances herself from Fan Yunxi and apologizes to Mo Lingze. During a meeting, Fan Yunxi presents a acquisition plan, but Mo Lingze requests an additional agreement, embarrassing him. After Xu Qingyou twists her ankle, Mo Lingze takes her to the hospital, and their feelings for each other begin to grow. Fang Qi's blind date is repeatedly sabotaged by Xu Wei.