WHAT IT’S ABOUT: An urban spelunking group in San Francisco discovers a secret bunker belonging to the long-vanished 1930s stage magician Blackhall the Incredible at the same time as young, out-of-work magician Ivan receives a mysterious package that points him toward a possible conspiracy involving Blackhall’s death in 1934. Both groups dive into the mystery, not yet realizing that it’s about the change their lives forever.