When you watch Zoo Season 1 Episode 4, you'll follow the newly assembled team as they travel to Mississippi to investigate the wolf attack on the maximum security prison. Jackson believes that the inmate that was freed by the wolves, Evan Lee Hartley, is acting as the pack's alpha. As he struggles to find proof that he is right, Jamie uses her investigative skills to find out what made Evan become a killer. Abraham and Mitch are on a misson to catch a wolf, but instead find themselves in a sticky situation. The team meets Ben Schafer, an FBI agent who wants to know why the team is so interested in the animal attacks. Chloe wants to show Jackson that she is not the helpless girl he met in Africa. A successful hotel room experiement gives Mitch a greater understanding of what may be causing the animals sudden aggressive behavior. Evan and his wolf pack turn the tables on a group of hunters who intend on killing the wolves. In Antarctica, scientists Wendy and Margaret are studying the behavior of caged birds, and living in a failed marriage. Bats, who never migrate so far north, arrive to cover their solar panels, which provide the power they need to survive the cold arctic weather.