Warner Bros. has released the first trailer for Dune: Part Three, the final installment in director Denis Villeneuve’s sci-fi trilogy based on Frank Herbert’s books. Timothée Chalamet returns as Paul Atreides, who has gone from a young nobleman with extraordinary abilities to a ruthless emperor. This time, the danger comes from people close to him. The trailer centers on an assassination plot involving Paul’s legal consort, Irulan, played by Florence Pugh; his first love, Chani, played by Zendaya; and a new character, Scytale, played by Robert Pattinson. The cast also includes Jason Momoa, Rebecca Ferguson, Anya Taylor-Joy, Javier Bardem and Josh Brolin. Dune: Part Three is scheduled to arrive in theaters December 18.