Evan Cross leads a team investigating time-space anomalies that have brought deadly predators to their homeland.
Evan and Mac investigate the sighting of a prehistoric sea serpent near a disputed First Nations territory, while Dylan considers Evan's offer of a job.
When a cargo plane disappears into an Anomaly, Evan and Dylan attempt a search and rescue mission into the distant and dangerous past.
The team must keep a student population safe after an anomaly brings a Lycaenops to their university campus.
Evan, Dylan and Mac try to outwit a pack of small but smart dinosaurs that have decided to make a home store their new abode.
While Dylan and Mac hunt for information on the government's secret lab, Evan goes up against Colonel Henderson Hall, who wants full access to the Anomalies.
When Toby is stung by a poisonous Brontoscorpio, Evan and Dylan must chase the creature back through the Anomaly to get a sample of its venom. But can they get back in time?
Connor Temple returns, and Evan faces his moment of truth against the Albertosaurus that killed his wife.