In the reservoir of Campomediano, Extremadura, two corpses appear. Commissioner Ortiz and inspector Daniela Yanes are in charge of the investigation.

A confidant from Óscar discovers that Ortiz may have been involved in the disappearance of two activists. Hélder and Daniela go to Portugal.

Daniela discovers that Ortiz was at Antonio's house before his death. Amalia believes that one of the bodies belongs to her son Joaquim.

Amalia receives the call that confirms that her son Joaquim is one of the corpses, and reveals to Hélder and Daniela that Paula and Joaquim were dating. However, Paula will deny it: Joaquim was gay.

The investigators continue on Sanjurjo's trail and discovers that he's the son of one of Campomediano's activists.

Óscar receives threatening messages, and they're not the first ones. Luis makes some changes in the company's organigram and leaves Paula in the backdrop.

Paula Barbosa is going to confess a big secret she's been keeping for years to the police. Óscar keeps uncovering the plots of the Barbosas and the people around them.

Luis Barbosa finds out about new traits of his grandson and tells his daughter the truth. Martín and Paula are cornered by the cops, and their ending is unpredictable.