Une adolescente, qui a passé sa vie reclue avec sa mère, découvre le terrible secret que cette dernière lui cache depuis de nombreuses années. La vie idyllique de l'adolescente bascule...

After David Kim's 16-year-old daughter goes missing, a local investigation is opened and a detective is assigned to the case. But 37 hours later and without a single lead, David decides to search the one place no one has looked yet, where all secrets are kept today: his daughter's laptop.