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.
Ivan knows he's gotten himself deep into conspiracy land when he discovers that Dmitri is missing and starts seeing a strange, hooded figure following him. Things are about to get even stranger, however, once his investigation leads him right smack into Backbone headquarters. And the urBex team is less than thrilled to meet his acquaintance"¦