Only two kinds of people step off a cliff. Those that want to die and those that want to live. JC is a B.A.S.E. jumper, a global playboy who lives his life quite literally on the edge, pursuing man's greatest dream - to fly. When a jump goes wrong, that dream is violently shattered.
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.