In the 1st anniversary of his mother's death, Jong-hwan should go to the seaside in Jebu-Island, Hwaseong City, where his mother rests. Suzie, a girl from the same high school, appears unexpectedly and plans to accompany his trip to Hwaseong.

With high competitive spirit, a high school gangster Seung-in lets nobody to win over him. Hyun-tae is his best friend but wants to fight with nobody. One day, two boys get caught into a big fight that the local mobster is involved in, and they realize what true friends are.

Left orphaned, Min-gu takes care of his younger brother with the money he gets from reselling stolen bicycles. One day, he steals a bicycle from a classmate named Jung-ho, who was sent to a juvenile detention center for killing a friend. Jung-ho asks Min-gu for a huge amount of money as compensation and comes to stay at Min-gu’s house.

16-year-old juvenile offender Ji-gu reunites with his young mom who he thought was dead, and the two try to make up for their time lost.

Daechi, the place with the most enthusiasm for academia in Korea. 'Yunim' who once dreamed of becoming a novelist lives out her life as a Korean instructor in Daechi. However, on the day the midterm exam is about to end on the middle school where Yunim is in charge of, the teacher of that school comes visiting Yunim. The schoolteacher 'Kihaeng' is Yunim's ex-boyfriend 10 years ago. Now, the two becomes the topic of gossip among the parents of Daechi.

When Sun-oh's abusive father dies while on duty as a firefighter, he feels a sense of liberation. As he dreams of a new life, his mother and sister seem to have forgotten the violence they endured. Confused, Sun-oh falls in with delinquent friends and starts his first relationship hoping to leave his father behind. However, at his father's memorial ceremony, Sun-oh shatters as his mother and sister speak of forgiveness.

Pregnant Yoo-kyeong visits her in-laws' house with her husband Jae-hyeok to perform her father-in-law's first memorial service, and there, she begins to feel a strange sense of déjà vu.