Steven Soderbergh, the director of Traffic, Ocean’s Eleven, and Logan Lucky, recently put the finishing touches on his latest film and it’s his most ambitious to date. Why? Well, Unsane is entirely filmed with an iPhone. After a young woman (Claire Foy) is involuntarily committed to a mental institution, she needs to face her greatest fear, whether that is real or something created by her supposed delusion. Unsane looks creepy and voyeuristic, meaning it could satisfy that Black Mirror itch you’ve been experiencing since you crushed all those episodes. The film hits theaters on March 23. Here’s your first look.