Andrea asks her boyfriend, Sergio, to wait for her to finish her psychiatry degree in another city. Sergio apparently agrees, but his jealousy is driving him crazy. He decides to visit her at the hospital and finds her in a bar with her best friend and Andrea’s mentor. Sergio and Andrea argue, she decides to end the relationship, and Sergio blames Doctor Herrán, so he decides to sabotage the brakes of the Doctor’s car, and he suffers an accident; not satisfied with this, he enters the hospital dressed as a nurse and tries to assassinate him in the emergency room. His level of jealousy and codependency have escalated. Andrea discovers through her stay in that place that Sergio has suffered from this emotional illness for a long time.