Emilia is 12 years old and lives in a small American town. The girl loves to go to school and spend time with her friend Siena. The situation changes when Siena suddenly disappears, after which her parents send a statement to the police. Following this, applications begin to come from other residents of the town, whose children have disappeared without a trace. However, law enforcement agencies cannot provide significant assistance. Emilia realizes that relying on the police is useless, so she decides to investigate herself. A 9-year-old boy Christopher is called to assist the main character, looking for his older sister.