Valerian and Laureline #1

Synopsis

The Spatio-Temporal Service sends Valerian and Laureline to 1986 in pursuit of Xombul, who is taking advantage of an environmental catastrophe in order to seize the world's first time machine. But he selects the wrong prototype and dies, while Valerian and Laureline, with the help of a scientist and a gang lord, reach a relay from their own Service, and prepare to return home.