The film represents a departure for the “Black Panther” director, and a creative risk; it grapples with ideas about music, race, family, religion—and vampires.

If you haven’t heard of Sinners, Ryan Coogler’s latest cinematic hit, chances are you haven’t been paying attention. The period-piece horror film starring Michael B. Jordan opened in theaters April 18 and has already grossed an impressive $78 million in just nine days.

Yes, it's another killer Michael B. Jordan film. But the story behind the scenes, starring Ryan Coogler, is the one that you'll want to study closely.