After the disappearance of the sixteen-year-old daughter of David Kim (John Cho), the local police open the investigation. But after 37 hours without a trace, David decides to check the place where no one was looking for his daughter. Her laptop. In the state-of-the-art thriller, we follow the internet paths of the girl's contact in the world of communicators and networks. Now David has to find himself in this world before his daughter disappears forever ...