Yoo-ri, a seemingly model student from a well-to do family suddenly commits suicide. Detectives suspect suicide, but her mother Hye-young believes that Yoo-ri’s classmate Ye-na and homeroom teacher Gi-beom were the killers. As the investigation dives into the lives of these people, it spirals out of control due to conflicting statements between the three, but detectives find out that Hye-young caused cracks in Yoo-ri’s heart. Deeply believing that she was doing everything possible for her child out of love, can Hye-young uncover the truth behind her daughter’s death?

‘Soo-ah’ spends hellish days everyday due to dating violence of her live-in boyfriend, ‘Hyun-woo’. ‘Anuat’, a man full of mystery, stays by the side of her. Soo-ah goes on a trip to an island with her only friends ‘Yoon-mi’ and Hyun-woo to celebrate her 25th birthday. On the night of the full moon, Anuat follows the footsteps of Soo-ah and encounters evil spirits surrounding her.

Kim Yeon Do (Lee Eun Jae) is a studious high school girl whose life is being made miserable by a boy from her past. Despite all of her efforts, she can't get peace as he won't leave her alone. So she hatches a plan. On her social media pages, she posts a picture of another boy, in the hope that this move will put an end to the irritation. But this move turns out to have unexpected consequences: It turns out that the boy in the picture is actually one of her schoolmates. Named Ji Hyun Ho (Kang Yul), he is a bit of a loose cannon. Although he is very popular, he dislikes studying - and prefers play. The rest of the school soon learns about the social media post, as news spreads fast in the classroom! This leads to a number of run-ins with ji Hyun Ho. But the more they get to know one another, the closer they get - causing yet further complications for a whole host of classmates!

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.

Kim Yeon Do (Lee Eun Jae), a studious high school girl, accidentally sparks a relationship with Ji Hyun Ho (Kang Yul), a popular but unserious boy, after posting another boy's picture to deter a persistent suitor. Their budding romance is challenged when Choi Seung Hyun (Lee Jung Joon), a baseball ace, arrives and shows interest in Yeon Do, causing Ji Hyun Ho to become jealous. As their relationship faces this new tension, their classmates also begin to explore romantic connections. Based on a 2016 mobile game, this is a 2021 South Korean movie directed by Lee Yoo Yeon that explores the complexities of young love and high school relationships.