"Queen of the South" Teresa is now living in hiding as María in Italy, but her new life is upended when her daughter Sofía is kidnapped by her enemies.

Teresa makes her way back to Mexico for the first time in years and Epifanio tells her what she can do in exchange for getting her daughter back.

Galician narco Siso Pernas threatens Pedro while looking for Teresa, who is simultaneously in danger from another enemy seeking revenge.

Teresa travels to Málaga, just as Cayetana contacts Spanish authorities. Sofía and her mom exchange video messages. The DEA punishes Manuela.

The Galicians catch up to Teresa and put her in grave danger. Sofía pretends to be very ill so that she can sneakily make a call on a cellphone.

Teresa confronts Cayetana, who responds by unleashing a bull. Sofía is rattled by Lupo's punishment for her rebellious behavior.

Drug lord Zurdo hosts a lively party for Mariano's presidential campaign. Across the world, Teresa arrives in Russia in search of Oleg.

Teresa reunites with an old friend, but worries someone has been following her. The Galicians investigate how she managed to escape them.

Siso aggressively interrogates Conejo, hoping to discover Teresa's whereabouts. Oleg asks the Russian president for permission to leave the country.

Oleg and Teresa try to escape Russia. Sofia is tormented by what she's overheard about her mother. Alejandro offers Epifanio's estranged wife a deal.

Rocio and Paloma end up on the run after a troubling incident with Juan. Teresa and Oleg are forced to get creative while fleeing to the Ukraine.

Sofia gets to know Batman a little better and sends a hidden message to her mother. Oleg tells Teresa he distrusts her friend Francesco/Lupo.

Teresa and Oleg travel to Málaga. Sofia continues to plot against her kidnappers. Rocio's and Paloma's faces appear on the news.

Lupo and Teresa head to Rocio and Paloma's hostel to help them escape from the police. Oleg punishes a former employee for his betrayals.

Teresa voices her suspicions about Lupo while on their date. Paloma receives startling news. Juanito's family goes after Cayetana before his funeral.

Sofia's plan to escape Morgana goes awry. Teresa offers to help Cayetana in exchange for being left alone. Epifanio visits his estranged wife's priest.

Rocio and Paloma attempt to make amends with their grandmother. Lupo chases a fleeing and frightened Sofia. Teresa sends Conejo a message.

Teresa reunites with old friends who try and help her free Conejo. Back in Mexico, Sofia makes a new friend and performs on the street for money.

Teresa is heartbroken when she listens to her daughter's angry message. Sofia begins learning more about Simon's underground world.

Teresa and Oleg desperately search for Sofia as Lupo and Alejandro do the same. Willy brings Ray to Mexico, where he meets Rocio and Paloma.

While trying to escape Mercedes, Sofia runs into a familiar face. Veva makes a startling discovery about Epifanio. Jonathan keeps investigating Manuela.

Simon tries to help Sofia break free from her latest kidnapper. Willy asks Ray to decrypt the files Jonathan found in Manuela's safe.

Cayetana receives an unexpected but welcome phone call. Lupo and Teresa reunite and become closer than ever. Carmen approaches Marietta.

Carmen's bombshell interview stirs up a media circus just as someone close to her is killed. Oleg argues with Teresa about her latest romance.

Teresa visits her old house in Culiacán and is struck by her nostalgia, as well as the condition she finds the house in. Flores encounters trouble.