The action-packed sci-fi romp is based on the wildly popular French comic book series Valérian and Laureline
. Dane DeHaan
stars as the titular Valerian, a special operative working for the galactic government. Cara Delevingne
plays Laureline, his partner and lover, who joins Valerian on a mission to save the enormous metropolis Alpha from apocalyptic annihilation at the hands of a world-destroying evil.