Valerian and the City of a Thousand Planets (2017) is a visually stunning and ambitious sci-fi adventure film directed by Luc Besson. Based on the French comic series Valérian and Laureline by Pierre Christin and Jean-Claude Mézières, the film combines high-tech world-building, action-packed sequences, and a futuristic romance.

The story is set in the 28th century, where humanity has established a vast intergalactic empire. The film focuses on two elite special operatives—Valerian (Dane DeHaan) and Laureline (Cara Delevingne)—who work for the government of the human territories. The duo is tasked with a critical mission to secure a mysterious object that holds the key to saving the universe.

The adventure leads them to Alpha, a colossal space station known as the “City of a Thousand Planets,” which houses countless species from across the universe. Amidst a series of escalating events, they uncover a conspiracy that threatens not only Alpha but the future of the entire galaxy. As they race against time to stop a great catastrophe, Valerian and Laureline must also confront their personal feelings for each other.