Yi Jun is upset when the new hire at his company Ha Ram questions the content of his project during a presentation.
Ha Ram starts to make advances, but the cold and distant Yi Jun who doesn't care for love, remains unimpressed.
Yi Jun keeps using dating apps for work-related purposes, but it's through one of these apps that he makes an unexpected match.
After Ha Ram tells Yi Jun the reason why he likes him, Yi Jun finally shares his previous negative experiences.
Ha Ram and Yi Jun decide to become "date mates," and set up ground rules for their relationship.
Yi Jun's proposal is extremely successful, and it attracts a handsome model who wants to participate.
Yi Jun's ex, who hurt him deeply in the past, shows up, which makes Yi Jun depressed, and Ha Ram also realizes something is amiss.
Ha Ram and Yi Jun are about to end their date mate relationship, will they move on to the next stage together?
