So-howa leaves an internship interview at a baking company and goes back to Busan. Famous patisserie Kim Ma-ri puts So-howa on a project to ruin Suyeong Bakery and open Mari Hotel and Kim Mari Bakery there under cover. So-howa creates a project to ruin Suyeong Bakery on the orders of the respected patisserie Kim Ma-ri, but as it progresses, she realizes the preciousness of the local bakery.