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.