The team are sent to Russia to investigate a creature stuck in the ice for over 60,000 years. When they get there, the russian team previoulsy on the scene have disappeared. Searching the building where the crearure was thawed, they find a few bodies with strange markings that look like lamprey bites. Further investigation, discover a parasite that came back to life from the inner lining of the stomach of the ancien creature. And it is roaming around the halls of the large building.