Lily (Anya Taylor-Joy) is in a bad place.  She’s in trouble with her posh boarding school, and stuck at home between semesters with her well-meaning but uninvolved mother and douchebag-extraordinaire stepfather, Mark (Paul Sparks).  He and Lily live together in hostile tension, both affecting a façade of chilly politeness that barely conceals their mutual hatred for one another.  Meanwhile, the mother of Lily’s middle school classmate Amanda pays her to tutor her daughter, itself a transparent excuse to provide Amanda with some social contact.  Amanda has become an outcast after brutally killing her family’s crippled horse, which in her mind was an act of mercy. Continue reading →