While Jae-yeol's suspicions grow, Hee-jin applies for a scholarship program in the US. Things become more uncomfortable with the realization that the two must stay apart if she is accepted. On top of that, Ji-won also decides to go to the US to stay with his parents and sister.

Hee-jin comes back to Korea after a year in the US. As she returns to school, she encounters Jae-yeol, her ex. Meanwhile, she also runs into Hyun-o, her first crush from when she was little. As the three coincidentally keep bumping into each other, a whirlwind of emotions ensues.

Jae-yeol wants to tell Hee-jin how he feels about her, but Hee-jin ends up misunderstanding his true intention. Hyun-o asks out Hee-jin, and it makes her even more confused. Meanwhile, Jae-yeol finds out that he lost the hard drive that has all the work of his commercial footage. Hee-jin ends up helping Jae-yeol find the hard drive, and Jae-yeol finds another chance to confess his feelings.