While Barrett has dabbled in directing over the years — most notably the “Tape 49” segment of horror anthology V/H/S/2 — Seance marks his debut as a feature director. The film is set at a prestigious girls boarding school where one student dies shortly after a prank seance ritual, which may have actually awoken a dead former student who reportedly haunts the halls of the academy. Shortly after the tragedy, a new student arrives, Camille Meadows ( Suki Waterhouse), who is immediately tormented by the school’s mean-girl pranksters. But Camille has a secret agenda, fearlessness, and certain abilities that make her capable of defending herself from bullies, would-be killers, and possible ghosts. Rich with atmosphere and dripping in blood,