A dark force threatens Alpha, a vast metropolis and home to species from a thousand planets. Special operatives Valerian and Laureline must race to identify the marauding menace and safeguard not just Alpha, but the future of the universe.

Extreme athlete turned government operative Xander Cage comes out of self-imposed exile, thought to be long dead, and is set on a collision course with deadly alpha warrior Xiang and his team in a race to recover a sinister and seemingly unstoppable weapon known as Pandora's Box. Recruiting an all-new group of thrill-seeking cohorts, Xander finds himself enmeshed in a deadly conspiracy that points to collusion at the highest levels of world governments.