While on a road trip through the desert, Charlie and her boyfriend Aidan break down in the middle of nowhere. While Aidan waits for a tow truck, Charlie heads to a nearby diner to find help. When Aidan goes missing, Charlie finds herself stranded in a strange town unsure who to trust. The only thing she knows is she might just be their only chance to get out alive.

After receiving fertile eggs from a donor, Rebecca and Caleb are finally able to have a child and start a family. Several years later, a strange woman appears in their life, and is oddly drawn to their daughter. The egg donor has returned–and she wants what is “rightfully” hers.