Teresa is a humble woman who gets caught up in the underworld for the inheritance of a risky love.

A planner saves Teresa's life, and she makes a deal with Epifanio for El Güero's information, but death and suspicions surround her, and she is set up by someone she doesn't know.

Promising to reveal the location of the planner, Teresa persuades Willy to take her to San Diego, where she discovers El Ratas has followed her.

Teresa leaves Mexico to try her luck elsewhere, and arrives in Spain in the midst of a sexual game intended to get El Güero out of her heart.

A fraught Teresa ends up in the hands of the police for drugs due to the vendetta of a woman who cannot resist her beauty; she might be able to save herself by selling her body.

Teresa must humiliate herself to escape being deported by Céspedes, although he decides to collect Sheila's debt with a vengeance.

Teresa seeks revenge with her own hands and shows Sheila just what The Mexican is made of, when Santiago is about to be set up by the mafia, who is looking for payback for his betrayal.

Teresa is on the run again over a crime that she didn't commit when she is blamed for Sheila's attempted murder, while Santiago evades the Pernas Clan's trap.

Teresa succumbs to desire for Santiago and tries to erase the memory of El Güero with his kisses, and realizes that, for her, history repeats itself when it comes to men.

Teresa returns to the trafficking nightmare with Santiago and decides to leave him for good because of it, when she confronts Dris for helping a friend.

Santiago gambles with his life and accepts a deal that hurts him financially, while Fátima faces the cruelty of her lies in search of a lost son.

Santiago risks his life for Teresa and ends up killing Josef to save her, while Fátima must take back her son and flee Morocco with him.

Teresa proposes turning Santiago into a drug trafficker, when Col. Abdelkader receives an unexpected visit from The Mexican.

Teresa starts narcotics career, since she must start dealing hashish in order to save her life, not knowing that her ambition will be her doom, along with Santiago.

Santiago is the victim of Dris's envy, who decides to rat him out to the Moroccan police, but it is Lalo who is tortured for information.

A promise of love seduces The Mexican, who decides to leave her life behind and give herself to Santiago and the security of joining him in life and death.

Teresa and Santiago start their first mission, and without knowing how, they evade the law with a shipment of cocaine while being watched from the air...

Teresa is afraid of admitting love, even though Santiago shows her how he feels through his jealousy and a proposal, The Mexican almost loses her chance of starting over.

Teresa loses again. She knows that love only brings death for the man that she wants at her side, and Santiago is now facing that fate because of his trafficking.

Teresa earns respect in jail by defending herself in a fight for her life, while she finds an enemy in Makoki who could make her life very difficult.

Teresa faces death in a fire started by Makoki, all for a debt of honor and a fight over a sought-after inmate.

Teresa is haunted by crimes she didn't commit, and now is blamed for the fire and death of Adriana, all for a duel of loyalty and strength in the heat of sexual urges.

Teresa is released from jail but gets mixed up with Patty when she tries to seduce her with ambition and the promise of putting an end to her bad luck.

Teresa and Patty join forces to sell her stash and start the climb to the top; they must do business with the Russian mafia.

Teresa makes a deal with the Russian mafia when her audacity helps protect Oleg and his drugs; she doesn't know that this is why she puts her own loyalty at stake.