Jaime and Logan arrive at Caraquet, but things are not what they seem. The group tries to save Chloe.

The team travels to Portugal where they square off against a dangerous venom dealer in order to get one step closer to the cure. Also, Jackson's increasingly erratic behavior jeopardizes the entire team.

Mitch digs into Jackson’s past to get the answers they need to make the cure. Also, the rest of the team hunts for evidence related to the triple helix inside a quaint English town.

Jackson learns his mother is missing in Africa, but before he can look for her, he and the team must contend with a hostile force that has overtaken their plane. Also, Jamie learns a shocking secret about Abraham.

Jackson faces the most difficult decision of his life. Also, Mitch reluctantly enlists help from his father, Max Morgan, to investigate the origin of the final set of triple helix animal bones,

With Jackson missing, Mitch and Abraham race to find him before General Davies and the International Animal Defense Group can locate him and prevent the team from making a cure. Also, Jamie, Dariela and Allison make a last-ditch effort to convince the Russian government to drop out of the Noah Objective.

Mitch and Jamie brave an animal attack at the Russian Embassy in Washington, D.C., and Jackson finally gets the answers he’s been looking for from a surprising source.