Even before bad things start to happen, it’s clear that something is seriously off in The Killing of a Sacred Deer. There’s a cringy neediness to teenaged Martin who goes to see cardiologist Steven at the hospital every single day, but it’s more than that: without ever spelling it out, he demands the older man’s attention and care, as if the heart surgeon owed him. As if the young man had something on him. There’s more than a hint of blackmail in the daily visits, the disproportional gifts he gets from Stephen, the teenager’s wheedling but insistent voice – and the complete absence of any resistance on Steven’s part. It’s as if he already fears the punishment that might follow.