Mariana is a white-collar thief who, in order to save her family, finds herself involved in a battle between two powerful, arm dealer families, the Vargas and the Herrera.
At Felipe Vargas' engagement party to Noemi, Mariana attempts to obtain the plans requested by Carlos Alberto Herrera by accessing Daniela's safe, but things don't go as planned.
Mariana is increasingly earning the trust of the Vargas family, but this is a game of many sacrifices, such as the farewell of Juana, the maid of the family.
Daniela wants Mariana to start a relationship with Felipe, but he still does not overcome Noemí's death and swears revenge against the one who killed her.
Carlos Alberto Herrera falls seriously ill and Amelia, his wife, could be the culprit. Mariana seduces Alexander and convinces him to attack the Herrera ranch.
Renata ends her love affair with Carlos Alberto Herrera and warns him that Amelia knows about it. Mariana is face to face with Cristina, who could reveal her identity.
Mariana is left without an alibi and could end up behind bars. Corina is determined to escape from the Herrera ranch and plans to take Pablo and Luis with her.
Dario must make a decision that puts Marcos' life at stake. Mariana has to fulfill a new mission for the Herrera, but her desperation leads her to confront Brenda.
Daniela seeks to ruin Felipe, sabotaging the "Don Edgardo" distillery. Mariana could break the promise not to sleep with any of her victims, in order to conquer Felipe.
Daniela presses Mariana to choose a side within the Vargas Family. But Mariana's heart gives her strength to face all those who want to hurt the people she loves.
Felipe declares Luz as his girlfriend. She must support a side in the internal conflict of the Vargas family. Corina still does not recover her memory.
Mariana tries to get evidence that incriminates Porfirio, but in her search, she has landed in the cave of the wolf, and the only way out is by risking life.
A new love could be born between Brenda and Jorge. Pablo faces the possibility of killing or dying. A discovery by Sofía could reveal the true identity of Luz.
A burst of passion between Alexander and Mariana unleashes the fury of Felipe. Mariana has the courage to free her brothers from the clutches of Carlos Alberto Herrera.