Writer-actress Brit Marling follows up her intriguing-if-unsatisfying debut in 2011's Another Earth with this equally mind-bending sci-fi psycho thriller. Here, she plays a charismatic and mysterious cult leader who claims to be from the year 2045. A boyfriend-and-girlfriend duo of wannabe filmmakers infiltrates the cult with the goal of making a documentary exposé on the alleged time traveler. Things get complicated, though, when the male half of the duo starts becoming a convert. The "Twilight Zone"-like narrative leaves a lot unresolved, but ends up as a surprisingly mature puzzler.85 minutes R.