Kang Min-ah

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.

Joon Ho is a third year high school student who just finished taking his university exam. His main interest is to sleep with Seo Yeong, his girlfriend, but, so far, she has turned him down.

Jin-Sang is a troublemaker in his family. He is suspected of fraud and murder, while Detective Choi is chasing after him. Jin-Sang has a younger brother Jin-Ho. He always tries to get close to his younger brother, but Jin-Ho hates him. Jin-Ho is a high school student and dreams of becoming a singer, but he keeps failing his auditions.

Tae-Il lives a fast life as low level thug. He then learns that he has a terminal illness and not much time left to live. Then, for the first time in his life, he falls in love.

Sun-joo is an ordinary office worker at a bank who is preparing for her upcoming wedding with Ji-hoon, an employee at a publishing company. However, Ji-hoon, who has recently become the liaison to popular female author So-ra, does not attempt to show an enthusiastic interest in married life. One day, Ji-hoon causes a traffic accident, and rushing to the hospital, Sun-joo comes face-to-face with So-ra. In actuality, Sun-joo and So-ra were classmates in school. Sun-joo befriends So-ra, with whom she has had no contact until now, suspecting that Ji-hoon's indifference to getting married might somehow be connected to her. This will reawaken a memory of the tragic accident that happened to their mutual friend.....