After failing to join the Militia for years, David Tardif finds out all he needed was the right motivation, which comes in the form of an alien invasion. With his dream now a reality, the expectations keep climbing as more and more people need he's group's help. His aptitude for thinking on the fly makes his success against this fearsome enemy, but also paints a large target on his back. Will his quick rise to fame bring him more trouble, or will it be the salvation of the human race?