I walked into the theater to watch Obsession completely blind. No trailers, no plot synopses, no algorithmic hype. And for two hours, I was utterly transfixed. It is a terrific, deeply unsettling film layered with complex psychological undercurrents. Curry Barker’s film, made in 20 days on a $750,000 budget by a 26-year-old YouTube filmmaker, is a horror film about Bear (Michael Johnston), a music store employee who buys a supernatural toy called the “One Wish Willow” and wishes for his friend and co-worker Nikki (Inde Navarette) to love him. The wish is granted. And then everything goes terribly, horribly wrong. The wish didn’t amplify any feeling — it overrode her entirely. The real Nikki remained trapped inside her own body, occasionally breaking through when she could overpower what was controlling her, before being pushed back down again. Her affection curdles into something obsessive, erratic, all-consuming. The film isn’t about a supernatural curse. It’s about the violence of control — what it means to have your autonomy taken, and to watch someone collect on that theft …