Rural England, 1861 and Reverend Perry prepares for Sunday School. Enter Rose, a delinquent 16-year and living embodiment of a timeless truth; teenagers have always been total dickheads. When Rose claims she’s been possessed by the Devil, Reverend Perry indulges the ruse with his customary patience, hoping to redirect his disruptive pupil’s energies. Can Rose prove there’s substance to her claims through an escalating and unhinged display of evidence, or will Reverend Perry persuade Rose to embrace the benefits of an education?