After escaping a showdown on Klendathu, the Bug Queen is heading to Earth and it's up to the Roughnecks to sneak aboard her transport ship and destroy it from the inside out. The mission appears to be a success until the Roughnecks land on earth and Carl realizes the Bug Queen has survived to hatch her diabolical plot. By cloning human DNA, the bugs have taken human form and they're unleashing a global campaign for world domination. Mobilizing the most advanced weaponry and tapping into the latest satellite tracking devices, the team is ready to combat the clones and launch an all assault for the future of mankind.