Lina and Miguel are a poor married couple who are trying to survive. When they move to a nearby slum, Lina and Miguel have no choice but to join the local scavengers digging through a garbage dump in order to survive. Advancing in years, Lina still dreams of becoming a mother despite Miguel's lack of enthusiasm. Somewhat magically, her prayers are answered and she becomes pregnant. In her flooded house during a storm, she gives birth to a son. However when her son turns out to be a fish, Lina's love for her offspring, as well as her marriage to Miguel, are tested by the strange and surreal moments that surround them.