When 10-year-old Lukas disappears from his Copenhagen school, police investigators discover that the boy had a peculiar obsession with pareidolia - a phenomenon that makes him see faces in random things. A photo on his phone posted just hours before his disappearance shows an old barn door that resembles a face. Journalist Heloise Kaldan thinks she recognizes the barn - but from where? What did the�last person to see Lukas really witness that morning in the school yard? Was it really Lukas, or an optical illusion? Can you ever truly trust your eyes?