In the 28th century, Valerian and Laureline are special operatives charged with keeping order throughout the human territories. On assignment from the Minister of Defense, the two undertake a mission to Alpha, an ever-expanding metropolis where species from across the universe have converged over centuries to share knowledge, intelligence, and cultures. At the center of Alpha is a mysterious dark force which threatens the peaceful existence of the City of a Thousand Planets, and Valerian and Laureline must race to identify the menace and safeguard not just Alpha, but the future of the universe.

A gang of thieves calling themselves the Santa Claus Gang are wreaking havoc, and the police can't keep up. Police Captain Gilbert is distracted by a Chinese reporter writing a story on his squad, and taxi driver Daniel is in the midst of a relationship crisis. After a string of mistakes in which the thieves outsmart the police time and time again, Daniel and his super-taxi pitch in.

In 1429 a teenage girl from a remote French village stood before her King with a message she claimed came from God; that she would defeat the world's greatest army and liberate her country from its political and religious turmoil. Following her mission to reclaim god's diminished kingdom - through her amazing victories until her violent and untimely death.