Something sinister is happening to the Primeval team. Dark secrets bubble to the surface, testing relationships to the limit as anomalies become more unpredictable and numerous, with more far reaching consequences than ever before. The end of the world seems to be just around the corner will the team be able to stop the approaching apocalypse before its too late? The stakes are high and lives are lost. The team seem to be facing a losing battle - could this mean the end of the human race?