In the 28th century, Valerian (Dane DeHaan) and Laureline (Cara Delevingne) are a team of special operatives charged with maintaining order throughout the human territories. Under assignment from the Minister of Defense, the two embark on a mission to the astonishing city of Alpha — An ever-expanding metropolis where species from all over the universe have converged over centuries to share knowledge, intelligence and cultures with each other. There is a mystery at the center of Alpha, a dark force which threatens the peaceful existence of the City of a Thousand Planets, and Valerian and Laureline must race to identify the marauding menace and safeguard not just Alpha, but the future of the universe.
Reportedly the most expensive European production ever mounted, the visually extravagant "Valerian" throws every Euro of its budget up on the screen, but there's little buoyancy to its spirit and not enough thrill in its action-adventure.
Utterly unreal space story from Luc Besson (he of The Fifth Element fame), who seems to have watched James Cameron's Avatar and decided he could make it sillier, more scattered, and less emotionally engaging.
If nothing else, those who lament Hollywood's over-reliance on special effects have a shiny new example of such excess by way of Europe, situated in a faraway galaxy that mostly makes one yearn to escape into the sunlight of planet Earth.