Attracted to his marriage counselor, Amparo, Santiago hires her as a staff psychiatrist. Matías almost catches Julia with Cristóbal. Suspecting that Santiago is dating Amparo, Cristóbal confronts her. Meanwhile, Lucia worries that she's gotten pregnant. Glorita's husband leaves her for another woman. And the doctors discover a patient has a psychiatric disorder resulting in split personalities.

After Carla tells Cristóbal that he got her pregnant, he responds unexpectedly. Meanwhile, Santiago's patient Mercedes accuses him of botching the surgery and threatens to expose him. When a former patient named Jessica arrives, slashed by a crazy man known as the Butcher, the doctors convince Carla to cover Jessica's story instead of Mercedes's. Also, Alicia and Johanna's relationship changes.