After the suspicious death of her estranged son Giorgio, ex-secret agent Sara reconnects with her former team and the life she left behind years earlier.

Teresa pushes Sara to follow Sergio's last steps and solve his disappearance. Pardo rivals the former secret agent and doesn't trust her.

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.