Teenager Josh lives alone with his father in a remote corner of the British countryside. Their relationship is strained, and Josh spends much of his time exploring the nearby woods, but his life takes an unexpected turn when he meets a mysterious boy, wearing nothing but his underwear, shivering with cold and unable to speak.

After his eldest son is murdered in a gangland hit, an absentee father desperately tries to protect what’s left of the shattered family he abandoned.