In spring, as cherry blossoms drift in the air, Chan-young, a 20-year-old repeat student, has his earphones hooked to the zipper of a 27-year-old postal clerk, Mi-sun. In summer, as trees offer shade, a charming male doctor, Jun-sung, plays cupid to Min-hee and Gangi, a pair of seemingly longtime lovers. In autumn, as red maple leaves decorate the blue sky, Gyeongtae, Jeongmi's ex-boyfriend, a web comic writer, suddenly appears at her doorstep. He's back. In winter, as heavy snow blanckets the earth, Soo-heon, the chef of Gom Restaurant, meets a young woman in a rural guesthouse in Gangwon-do during a snowy day...