On the first day of school, high school freshman Joo-young falls deeply in love at first sight with the pretty but aloof Ja-rim and thinks they are destined for one another.
Joo-young, Kyung-woo and Byung-hoon prepare for a dance number at the school retreat talent show. When students arrive at the retreat's venue, Joo-young suddenly goes missing.
Joo-yeong prepares for the talent show at the retreat camp, wanting to look good for Ja-rim. However, Joo-yeong is once again left at an awkward moment that could make Ja-rim upset.
Feeling confident than ever, Joo-yeong thinks now is the time to confess his heart. He now practices even more with cheesy love confessions, but will Ja-rim think the same as him?
The love struck boy finally succeeds in going out with his princess, Ja-rim. Meanwhile, another romance line is now set in the horizon with Kyeong-woo and Min-ji.
Ja-rim is still being cold and aloof to her boyfriend even when dating. Hurt by her wintry manner, Joo-yeong ends up blunting out complaints to Ja-rim.
Joo-yeong makes up with Ja-rim but the couple feel awkward to break the ice and to go out for a date. Joo-yeong once again asks for help of his friends in planning his date.
Summer vacation is here and friends plan to visit Byeong-hoon's grandparents. With good memories built during their stay, Joo-yeong and Ja-rim get closer than ever.
Love is in the air. Ja-rim begins to express her feelings towards Joo-yeong by secretly holding his hands. In the meantime, Min-ji is confused with the ambiguity in the relationship with Kyeong-woo.
Ja-rim happens to run into Jeong-woo at the basketball court, where she went to root for Joo-yeong. What is the secret Ja-rim trying to keep? Will the couple be able to clear the misunderstandings?
Jeong-woo provokes and torments Ja-rim in the same way he did before in the past. Being afraid to be hurt again, Ja-rim hardly shows her heart honestly even though she knows that Joo-yeong may misunderstand her.
Kyeong-woo happens to be dragged into fight with someone he used to know in the past. Disappointed at Joo-yeong of revealing his secret, Kyeong-woo is now nowhere to be found.
The two friends go through hard time but ends up resolving all the misunderstandings. The reason why Kyeong-woo had kept covering his eyes with bang is disclosed.
The teacher promises to exempt all the students from supplementary classes only when Kyeong-woo gets an average score of 70. Joo-yeong professes to be a private tutor of Kyeong-woo, in an effort of securing more time to date with Ja-rim.
Unnamed game betting for chicken coupons gets popular within the school. Ja-rim even forbids Joo-yeong to play the game as he is too addicted to keep in touch with Ja-rim.
Two couples - Kyeong-woo and Ye-seul, Joo-yeong and Ja-rim - have a double date at the amusement park. Watching Joo-yeong taking great care of his girlfriend, Ye-seul feels awkward with Kyeong-woo.
Although she's not good at cooking, Ja-rim decides to learn cooking with determination to pack a lunch box for Joo-yeong. Meanwhile, unexpected changes happens among friends.
Exam period again. Byeong-hoon runs into a college student at a cafe and falls in love with her at the first sight. With love-advices from Joo-yeong, could Byeong-hoon succeed in dating her?
Joo-yeong is no longer being able to live on his own, with the decrease in his grades. Ja-rim feels sorry that she may be the reason wasting Joo-yeong's time to study.
