With no other family or friends her own age, Ana eclipses her little girl Mara’s entire world. They take turns caring for each other --- in ways big and small. However, their arrangement begins to unravel when Ana becomes involved with a civilian rebel group attempting to undermine the city's torturous Police Chief, who rules over 1980s Rio de Janeiro with terrifying brutality. Ana makes decisions that indelibly change their shared life. When Mara is forced to escape, she emigrates to California where she finds employment as a caregiver to a young woman dying of stomach cancer. It’s here that she begins to grapple with her turbulent past and starts to uncover vital truths --- about her mother, herself, and what it means to truly take care of someone.