Beom-yeong, a man as tall and expressionless as a giant, reached out as a guardian to Mun Jeong-in, who had lost his parents and was locked in his own world. Although he is not used to children, he uses his natural patience to help Jeong-in open up and provides generous support so that he can live like other ordinary children. However, Jeong-in is the only one who does not know that the only time he can be free is in the environment, which is strictly controlled by Jang Beom-yeong...