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.