A bloody scarf leads a mental patient, a troubled detective, and a caring doctor to come together to unravel the mystery of a murder.

A couple stops at a gas station, where their 6 y.o. daughter's arm is fractured. They hurry to a hospital. Something strange is going on there. The wife and daughter go missing.

When Rebecca and Michael decide to take a weekend getaway and drive into the isolated countryside, they arrive at their cottage unscathed, but Rebecca can't help but feel like someone is watching.