Another Child is a South Korean drama film that follows the story of two families whose lives are turned upside down when they discover that the father of one family is having an affair with the mother of the other family. The central character of the movie is Joo-ri, a 17-year-old high school student who accidentally discovers her father's infidelity while trying to cover up her own illicit escapade with a schoolmate.
Joo-ri's mother is a successful doctor who is unaware of her husband's affair, but when Joo-ri confronts her father, he comes clean and confesses everything. The other family involved is Yoon-ah's, a classmate of Joo-ri, whose mother is having the affair with Joo-ri's father. Yoon-ah is a fierce and stubborn girl who is determined to uncover the truth about her mother's affair, no matter the cost.
As the two families confront the reality of the affair and the impact it has on their lives, Joo-ri and Yoon-ah form an unlikely bond, despite their differences. The movie explores themes like family, betrayal, friendship, and forgiveness, and how one mistake can change the lives of everyone around you.
Another Child is a poignant and realistic portrayal of the complexities of family relationships, with strong performances from the cast. The movie was praised for its storytelling and direction, and it won several awards at film festivals around the world.