In the year 2740, Valerian and Laureline are bodies appointed by the Special Government to maintain order in the universe. Following the orders of their commander, Valerian and Laureline they embark on a mission in the city of intergalactic Alpha, ever-expanding metropolis and home to thousands of different species from all corners of the galaxy. This important and historic city, is under attack by an unknown enemy. Valerian and Laureline will have to fight against time to find the source of this evil force and stop it before it destroys our universe.