Primal Force

Hell lies under the Texas-Mexico Border. When the Acuña Cartel tunnels under the Rio Grande and into the United States, they tap into a vast cavern that’s home to a species that was once thought mythical. The massacre that ensues leaves 12 men dead and brings tunnel construction to a standstill. Losing money by the hour, the cartel pulls Captain Jarrett Taylor out of retirement to lead a band of mercenaries under the Earth to eliminate an animal more savage than any human force they’ve ever faced. The mission quickly goes bad and plunges the team into a desperate battle for survival.

The memories of comrades slaughtered by a mysterious species still haunts CPT Jarrett Taylor. His return to their tunnel home will prove final. Return to the Tunnel is a nonstop roller coaster of hardcore action, violence, and horror.

Hell is unleashed when an American drilling company punches into a massive unknown cavern in the badlands of Mongolia. The cave system lets loose a swarm of creatures unknown to science and hungry for flesh. With the body count climbing every night, Jarrett Taylor and his Primal Force are brought into eliminate the terror—one way or another.