EXCLUSIVE : Smile and Twilight producer Temple Hill is teaming up once more with UK sales firm Protagonist, this time on Ben Leonberg ( Good Boy )’s next horror feature Follow Mode , which is due to be shot entirely on drones and aims to tap into the live stream generation. Leonberg is coming off breakout horror Good Boy , which was IFC’s second-biggest theatrical opening weekend (second only to Temple Hill’s Clown in a Cornfield ). Protagonist is launching international sales at the upcoming Cannes market. Temple Hill and Verve Ventures are co-repping domestic rights. Script comes from Leonberg and Alex Cannon, who also co-scripted Good Boy . The synopsis reads: “Consumer-grade drones now come with a “hands-free” setting that automatically directs the camera to follow you – in case you’re a surfer taking your next wave, a snowboarder back-flipping off a half-pipe, or a serial killer stalking your next victim.…