Lane McEvoy barely survived her first journey to the Feral Zone -- the forbidden, overgrown landscape east of the Mississippi River that was abandoned when a virus spread through the United States. But Lane has crossed the quarantine line, and she knows the truth. There are survivors in the zone -- people who have gone feral, whose bodies have warped and evolved to display a variety of animal traits. Six months after the events of Inhuman, Lane ventures back into the Feral Zone on a humanitarian aid mission. But she also has a darker, secret purpose: The one she loves, Rafe, has become more beast than man -- and she promised to put him down if he ever goes feral. Now, Lane fears the time has come to carry out her vow...