Unable to cope with prison life, Macarena is taken under the wing of her cellmate Yolanda. But a midnight visit from Zulema, the jail's self-appointed queen bee, is about to change her life for ever.

Sole suffers a health crisis, and Macarena scrambles to find a way to warn her parents that they're in imminent danger.

Macarena races against a deadline to pay back her growing debt to Anabel. The SIM card goes missing and changes hands multiple times.

When Zulema and Anabel harass Valbuena, he pits the two against each other. Rizos gets an offer she can't refuse, even if it means betraying Macarena.

As the scene in the woods plays out in flashbacks, Rizos learns she must get a job on the outside, and Zulema reveals a secret to Saray's family.

Anabel forces Macarena to pick up more drugs for her via a conjugal visit with a stranger. Leopoldo and Roman track down the Egyptian's camper van.

Maca comes to realize she has proof of her relationship with Simon; their unborn son. But getting the fetus's DNA tested will be no easy task.

Macarena's feelings of attraction to Rizos overwhelm her -- and confuse her. Leopoldo suffers a serious setback. Zulema attempts to escape.

Macarena agrees to be Rizos's girlfriend. Sandoval tries to convince Miranda to send Macarena, who's having visions of a cat, to a psychiatric prison.

A donor heart becomes available for Sole. Zulema offers Leopoldo the Egyptian in exchange for 8 million euros. Macarena makes an untimely discovery.