In the 28th century, Valerian (Dane DeHaan) and Laureline (Cara Delevingne) are a team of special agents tasked with maintaining order in human territories. Under the orders of the Defense Minister, the two embark on a mission to the amazing city of Alpha – a constantly growing metropolis where, over centuries, species from across the universe have come together to share knowledge, intelligence, and cultures. At the heart of Alpha lies a secret, a dark force that threatens the peaceful existence of the city of a thousand planets. Valerian and Laureline must hurry to identify the plundering threat and protect not only Alpha but also the future of the universe.