The girl Pim (Aomiz Suchar) asked to change dormitories because she broke up with her ex-boyfriend, so she became roommates with the new school girl Kim (Tina Jittaleela). At first, Pim thought Kim was a little boy who walked into the wrong room, until he opened his heart, she suddenly realized that he was the same kind. Such a bad first impression made Pim suspect that she had serious lesbian tendencies, so she simply drew a 38th parallel in the dormitory. Although Kim tried her best to please her, Pim still thought it was annoying that she played guitar and played video games. However, Pim's best friend had admired Kim for a long time and was very attentive to her. It was not until Pim went home with Kim and listened to her playing guitar at night that the two slowly opened their hearts. Pim liked the dishes Kim cooked. Gradually, the inseparable relationship between the two aroused the jealousy of Pim's friends. Even her familiar brother regarded himself as her boyfriend, which hurt her a lot. After going through many twists and turns, Pim suddenly discovered that when each other's hearts are in tune with each other, there is no insurmountable limit...