The year 2066. U.S.S. Santee receives an S.O.S. from planet AC9. As the rescue team, led by captain Mace Carter, is beamed to the surface a giant, prehistoric raptor attacks the team and one soldier gets dragged away. On their search for the missing team member they realize, that the whole planet is alive with those raptors. But an ionic storm prevents them from getting back to their space ship. Trapped on this otherworldly arena together with monstrous raptors the rescue mission turns into a deadly nightmare.