Warning: If it wasn't obvious, we're spoiling the heck out The Killing of a Sacred Deer below. In some ways, The Killing of a Sacred Deer is Yorgos Lanthimos' most direct, explicitly stated narrative taken to its most direct, explicitly clear ending to date. Martin (Barry Keoghan) tells Dr. Steven Murphy (Colin Farrell) that, in light of Steven botching Martin's father's surgery resulting in his death, Steven's family (Nicole Kidman, Raffey Cassidy, Sunny Suljic) will die from a mysterious illness with mysterious symptoms, unless Steven himself chooses one to kill. The family starts experiencing all …