An illegal farm worker claims responsibility for a double murder, but Sara and Pardo suspect something's off — especially when a politician intervenes.

Sara and Pardo pursue a determined but elusive journalist. Teresa confronts lies from her last lover while worrying about the future of the unit.

A new disappearance sets Sara in motion. A face from the past gives her the chance to settle some old scores, but she's unwilling to risk Viola's safety.

The election campaign is nearing its end. While tracking a friend of Tarallo, Sara and Pardo uncover something bigger than expected.