South Korea, 1929. Arisa Jo, the daughter of a wealthy merchant, is the most eligible bachelorette in all of Gyeongsung (the capital city). With her Western dresses, movie star hairstyle, and assertive attitude, she embodies bold “Modern” values. Meet her opposite, Jun Seomoon, a young man from the countryside deeply rooted in tradition. When Jun is charged by Arisa’s father to be her escort in the big city, these opposing forces create sparks. Through this unlikely connection, these teenagers open their eyes to new perspectives amidst the rapidly changing world they live in.