Back at full strength, with Abby, Connor, Lester, Jess and Matt on board - the ARC team must race against time once again in its fight to save the public from the terrifying creatures appearing through the anomalies. They encounter vicious burrowing creatures, enormous underwater predators, a raptor on the rampage in Victorian London and a Tyrannosaurus Rex prowling the streets. But even as the team faces its most formidable challenges yet, it may have more to fear from inside the organization itself.