Jun-hee's secret is discovered by soon-young. In return, Jun-hee agrees to help soon-young with her commutes and run cigarette errands. But eventually, her secret gets revealed among friends, and soon-young and Jun-hee hurt each other. Even though they are hurt by one another, they still go to school together. Because they are lonely, because they need someone, and because they need someone to rely on. Will the summer break, mixed with secrets, rumors, and scars, be a good memory for them? (LEE Gauen)