Against the backdrop of the oil industry, the central plot revolves around the love between Miguel Arcanjo and Letícia, which begins when they are still children and whose friendship turns into a strong passion. The girl's mother, Lucrécia Borges is against the union, not accepting a poor person to marry her. In love, the couple tries to escape and Lucrécia discovers. Determined to save her daughter's future, she hires a bandit to kill Miguel. Miguel is shot in the head. The boy is presumed dead, but he wakes up and and recovers from the injury, but he is left with no memory. To protect him, as he learned it was an attempt on his life, Ivan Mishkin, a friend of his family, took him to Moscow. Meanwhile, Letícia discovers that her great love has died, going into deep depression and despair. To make matters worse, she finds out she is pregnant with Miguel. Her mother finds out and forces Letícia to marry Anselmo, a millionaire in the oil industry.