Uno de abajo

A poor family is victim of the father's alcoholism. The eldest son (Octavio) assumes the defense of his sister, an adolescent student (Mariquita), who is deceived by a white slave trader (Goyo) to join a house of bad life. Once Octavio found out, he managed to dismantle the plan and rescue Mariquita. With the help of his employer and his tireless work, Octavio manages to send his father to a rehabilitation center and rescue him from alcoholism, changing the destiny of his entire family.