Beom Gyu-hwa, who has lived his whole life thinking he's an alpha, receives a high-paying part-time job offer while working to earn tuition as usual. The part-time job location is Sehan Hotel, which he really wanted to avoid, but he goes to work thinking it was fine for just one day. However, while working, pheromones start to smell unpleasant and he starts to feel unwell. Then, he meets Han Haesoo, one of the people he's been avoiding for years, and ends up spending the night with him due to his oncoming heat... “You’re…in heat, right?”