To his dismay, Dohyun finds himself trapped in an elevator with a strikingly handsome man who, much to his surprise, seems completely unimpressed when Dohyun casually reveals that he owns the building. The encounter leaves Dohyun both baffled and intrigued.

Unable to shake the memory of the mysterious Jeong Hyun, who turns out to work in his building, Dohyun begins to pursue him. What starts as an infuriating elevator mishap soon spirals into a series of unpredictable run-ins in the most unlikely places. As the tension between them grows, a barrage of witty banter and undeniable chemistry keeps pulling them closer together.