While not in class, Brady (Garrett Clayton) and his best friend Sam (Gregg Sulkin) spend their time making prank calls that they upload online to receive millions of views. As their online celebrity begins to rise, the boys escalate their pranks to a dangerous level. One evening, Brady and Sam receive a prank call of their own, igniting a nightmare for the pair of teenagers when the mysterious caller turns their own game against them with deadly consequences.
