Twelve-year-old Jeffrey’s mother wakes him not for school but to clean windshields in traffic to pay the rent, as he’s done for 6 years. Most of her children live with her, because their father beat her and doesn’t support them. One older brother sings reggaetón; as “Jeffrey the Nightmare,” the hopeful and enterprising little boy follows suit, taking what pleasure he can from small things and anxious to break free of their crushing poverty.