Ten years ago, the "collapse" wreaked havoc on the world and led to the emergence of mysterious hybrids-babies born half-human and half-beast. Because they are not sure whether hybrids are the cause or result of the virus, many people fear and hunt them. After ten years of living in an isolated forest, an antler boy named Gus (Christian Convere) makes friends with a wandering loner named Jepperd (Nongsoazi). Together, they embarked on an extraordinary adventure across America, looking for answers about Gus' origins, Jepperd's past, and the true meaning of home. But their stories were full of unexpected allies and enemies, and Gus soon learned that the lush and dangerous world outside the forest was much more complicated than he had imagined.