Following a shift in violent animal behavior, the team attempt to rescue Jamie and secure the leopard that could hold the key to curing the animal crisis.

The discovery of a shocking mutation comes with potentially dire consequences for a member of the team.

A tragedy strikes the team's only ally within the government, leaving Jackson and the team on their own to stop a surge of animal-related attacks from destroying the city of Geneva, Switzerland. Meanwhile, Dariela discovers something shocking about General Davies; and in the Canadian wilderness, Jamie comes across a troubling detail about Logan.

In an effort to unravel a dark conspiracy within the Noah Objective, the team travels to Vancouver, where it must infiltrate a black-tie event in order to get close to General Davies and stave off an impending animal threat. Also, Jamie and Logan's journey is interrupted when Logan's past comes back to haunt them.

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.

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.

Mitch and Jamie hatch a daring plan to undermine the Noah Objective once and for all, and the team reunites on the Island of Pangaea where the final pieces of the cure are put in place.

Mitch and Jamie hatch a daring plan to undermine the Noah Objective once and for all, and the team reunites on the Island of Pangaea where the final pieces of the cure are put in place.