When a single father to a teenage daughter learns that he has a fatal brain tumor, he takes her on a road trip to find the mother who abandoned her years before and to try to teach her everything she might need over the rest of her life.
Deep in the underbelly of New York City, a five-year-old girl and her mother have claimed the abandoned tunnels as their home. After a sudden police-mandated eviction, the pair are forced to flee aboveground into a brutal winter night.