Four months after their babies were swapped, workaholic Ana and student Mariana prepare to carry out the exchange. But what if they don't have to?

Mariana moves in with Ana and her family to wean Valentina. Tere, Mariana's mom, is surprised when Juan Carlos, Ana's husband, offers to help them.

Pablo, Regina's dad, threatens to sue Mariana. Ana attends a class to bond with Valentina. Mariana reaches out to Anuar, her estranged dad.

Ana and Juan Carlos go to couples therapy. Pablo and Regina go on their first daddy-daughter date. Tere launches her beauty business.

Mariana starts looking for answers after Tere reveals a long-hidden truth. Juan Carlos wants Mariana out of the house, but Ana has a plan.

Ana takes a week off work to think about a life-changing promotion. Mariana decides to get back into the dating scene through an app.

Ana invites Mariana and her whole family for a weekend getaway at Valle de Bravo. Mariana becomes suspicious when she sees Tere and Juan Carlos arguing.

Ana travels to Buenos Aires and bumps into someone from her past. As the babies start solid food, Mariana considers moving out. Ana has a health scare.

Although Ana wants the babies to be christened, Mariana wants a welcome ritual for Regina. But a secret uncovered threatens to ruin both celebrations.

Ana asks Cynthia, her former assistant, to get information about Regina, but Mariana is on to her. Ana and Juan Carlos meet to discuss their separation.

Mariana and Pablo decide to get new jobs to make ends meet. Ana strikes a deal with her ex-boss. Ceci and Rodrigo go to a party to avoid their dad.

Mariana and Pablo are reluctant to put Regina in daycare. Tere partners up with Victor for a new business. Ana makes a career move that shocks Mariana.

Ana and Mariana can't see eye to eye on the maternity app. Everybody attends Ceci's graduation, which proves to be eventful.

Things get hectic when the two families end up in the same co-working space and Ferrán, the owner, starts flirting with Ana — and Mariana.

Ana is determined to unmask Ferran's seduction, but Mariana wants to give him a chance. Victor prompts Juan Carlos to get back in to the dating world.

After Ferrán gets on Pablo and Juan Carlo's nerves, they meet with a lawyer. Mariana helps Ceci plan a romantic night with Dario, to Ana's dismay.

When Pablo and Juan Carlos take legal action against Ana and Mariana, the women resort to an extreme solution to protect their families and business.