Ainhoa falls victim to a crime in the greenhouses of Campoamargo. Héctor, the new sergeant, discovers compromising information.

Marta suffers an accident after activating the fumigation system in the greenhouses. Lucas is detained for having threatened Ainhoa.

The neighbors of Campoamargo receive a message about Ainhoa. Lola and Héctor find a suspicious burned vehicle. Lucas is chased.

Héctor asks to analyze a sample from the crime scene. Fara suffers a terrifyingly similar experience. Marta confesses something to Héctor.

Someone who was spying on Mar also filmed Ainhoa mere hours before her murder. Salva discovers new information on Agneska’s lover.

The coroner rules the latest death a suicide. Héctor isn’t so sure and decides to investigate. Marta discovers secrets about her husband’s death.

New evidence about Ainhoa’s murder that may implicate Juan Rueda surfaces. The second lieutenant offers another version of the story to the police.

The death of a foreign girl twenty years ago may be related to Ainhoa’s death. Héctor flat out rejects this notion.

Juan Rueda is detained after a grave is found on his property, but he can’t be charged. The investigation seems to have hit a dead end.

DNA evidence is found on Ainhoa’s body and Juan Rueda is detained once again. Héctor urges the judge for more time to investigate the findings.

Héctor and his team have another theory about Ainhoa’s murderer’s true identity. Questions about the Romanian child begin to arise.

Lola, Salva, and Héctor continue their investigation into the elusive Boris. They begin by looking into the pistol used to shoot the sergeant.