Hwa-young is an 18-year-old student living alone. Her friends call her “mom” and use her house as their place to hang out, but don’t really include her in their clique. Hwa-young pays particular attention to one of the friends, Mijeong.

Seong-cheol is a high school student who grew up neglected. In order to make money in a harsh society that abandoned him, he teamed up with Gi-joon, who is two years younger than him, to use his status as a minor to make money and seek a big blow. A father who left home, a sick brother and a mother whose cares for him. Seong-cheol, who was abandoned in hellish reality, starts a desperate survival in his own way.

I will call you! So you better answer your phone! In the year 2020, a homestay is being conducted for male and female teenagers in preparation for a union between North Korea and South Korea. North Korean girl Ha-jin goes to South Korean boy Woo-yeong's house to homestay. Woo-yeong starts to bully Ha-jin who has taken his room, but alas! First love has found its way to these children. Woo-yeong runs away to Seoul with Ha-jin to help her meet her father.

Choi Kang-Soon works as an assistant manager at a company. She becomes a victim of a hidden camera. This inspires her to fight against injustice.

A bullied teenager who is locked up at a juvenile detention center due to an unexpected accident, meets a mixed martial arts champion to break through his own limits.

In 1985, Tae Nam works as a teacher at an all-girls high school in the country. The students there do not like him, because he keeps shouting at them. In fact, Tae Nam has never had a date in his life. One day, he finds a banned erotic book at the book store. The novel, which spreads among the girls at the high school, ends with "to be continued." The students become curious about the second volume. Soon Duk decides to write the second volume for her friends.

70-year-old man Seong Taek convinces the neighborhood for redevelopment into a fancy new apartment complex so that he has something to leave for his daughter and granddaughter. But the day before he is to move so that they start construction, something unbelievable happens to his granddaughter.

Tragedy, betrayal and a mysterious discovery fuel a woman's vengeance for the loss of her tribe and family.