On a perilous adventure across a post-apocalyptic world, a lovable boy who's half-human and half-deer searches for a new beginning with a gruff protector.

Captured and imprisoned by the Last Men, a very special deer boy named Gus takes action to help his newfound hybrid friends escape before it's too late.

In this final chapter, Gus and his friends embark on a harrowing journey in hopes of curing the Sick — and finally discovering the truth about hybrids.