Roberto Hurtado suffers from a rare disease that requires massive transfusions of blood from children or adolescents. His son blackmails three employees to get blood for him and they resort to unscrupulous methods to obtain it.
Ali and his father go from their poor neighborhood in the outskirts of the city to a hospital so that Ali's father can be treated for his sickness. However since they have no money, Ali starts to work for Dr. Sameri who deals in blood.
