A journey deep into an uncharted and treacherous land, where fantastical creatures await the legendary Clades—a family of explorers whose differences threaten to topple their latest, and by far most crucial, mission.

Two Mexican-American sisters from the Eastside of Los Angeles who couldn't be more different or distanced from each other are forced to return to their old neighborhood, where they are confronted by the past and surprising truth about their mother’s identity.