Within the twenty eighth century, Valerian and Laureline are particular operatives charged with retaining order all through the human territories. On project from the Minister of Protection, the 2 undertake a mission to Alpha, an ever-expanding metropolis the place species from throughout the universe have converged over centuries to share data, intelligence, and cultures. On the middle of Alpha is a mysterious darkish power which threatens the peaceable existence of the Metropolis of a Thousand Planets, and Valerian and Laureline should race to determine the menace and safeguard not simply Alpha, however the way forward for the universe.