Who Killed Sara?

Álex starts his campaign against the Lazcano family during Rodolfo's CEO inauguration, receiving unexpected support from an enigmatic figure who refers to herself as Diana the Huntress.

Elisa turns to Álex for answers regarding Sara's disappearance 18 years earlier after César refuses to discuss the matter, while Chema and Lorenzo start looking for possible surrogates.

Mariana receives a troubling package connected to a past crime, stirring up disturbing memories. A flashback shows that Sara was aware of Chema's concealed secret. At the same time, Elisa enters Álex's house, heightening the tension between the two.

Rodolfo visits Álex and shares a surprising revelation about Sara's death. At the same time, Elisa attempts to gain Álex's trust by successfully completing a difficult test.

Elroy begins to feel the emotional strain of maintaining the Lazcano family's secrets. Meanwhile, Elisa and Álex attend a masquerade event at a casino.

César's concealed ruthlessness is exposed during a masquerade, leading to increased tensions among the Lazcano siblings. Elroy's personal history is revealed, adding depth to his character.

Álex and the Lazcano siblings journey to their family's countryside estate, while César contends with increasing threats as scandals from a recent masquerade event start to undermine his casino business.

A new suspect comes to light in the investigation into Sara's death. At the same time, Chema's surprise during a family dinner is disrupted by the disclosure of a hidden secret.

Álex and Rodolfo look into Diana the Huntress's origins, discovering hints about her past. At the same time, Elisa helps Bruno investigate the mystery surrounding Emara's fate.

Flashbacks depict the events surrounding a pivotal day in 2001, while Sara's diary provides clues to her murder. However, a hidden secret discovered within a wall suggests an alternative version of events.

After a body is found in his backyard, Álex faces the possibility of being re-incarcerated and turns to a psychiatrist who previously treated Sara in an effort to uncover the truth.

Lorenzo takes on Álex as his client, setting the stage for legal complications. Mariana makes a critical decision regarding Elroy, while Elisa unintentionally gets caught in the crossfire of Álex's conflict with César.

Álex's desire for revenge compels Elisa to face a challenging choice. At the same time, Moncho gains access to the home of Chema and Lorenzo, while Sara uncovers a surprising truth about herself.

Six months after a corpse is discovered in his backyard, Álex uncovers its identity, while César goes missing and Elisa returns from Europe.

Álex helps Lorenzo and Chema manage the aftermath of a recent incident at their house. At the same time, Sergio tries to weaken César by going after Elisa, while Nicandro meets with Marifer.

An officer visits Lorenzo to inquire about Moncho's location, creating a tense moment. At the same time, Marifer shares her search for her mother with Nicandro, and Álex becomes resolved to find Elisa.

Flashbacks reveal the connection between Sara and Marifer, while Moncho's brother pursues revenge. Nicandro gives Álex definitive proof of Sara's hidden life.

A hidden videotape found in Sara's closet becomes key evidence, changing the course of the investigation and showing that the search for the murderer has been going in the wrong direction.

Álex uncovers a key link between Nicandro and Dr. Alanís, identifying a major suspect in the case. At the same time, Rodolfo turns to Álex for help in confronting his father for his wrongdoing.

Sara tells Nicandro's father about his son's involvement in drug trafficking, leading Reinaldo to make a deal with Marifer. At the same time, Álex organizes protection for Chema, and Nicandro goes to visit Daniela.

Lucía's arrival changes the direction of Álex's investigation. A new lawyer takes over Chema's legal case. César shows up at Álex's home to demand the return of money he says is owed to him.

Álex fights to survive after being hospitalized, while Chema, consumed by anxiety, seeks comfort from his mother. A flashback unveils the events that led Sara to become a key figure in Reinaldo's scientific experiment.

Sara grows uneasy about the practices at the Medusa Center and begins attempting to uncover Reinaldo's hidden truths. At the same time, Chema is admitted into the facility, and César supplies Álex with crucial information that may alter the direction of their investigation.

César visits Tonya and uses extreme tactics to extract information about Sara. At the same time, Chema undergoes a terrifying procedure supervised by Reinaldo.

After the truth about Sara's fate is revealed, Álex carries out a final act of vengeance against the Medusa Center.