Seven years ago, Giulia lost her husband in a tragic accident. Since then, she and her son, Achille, have been estranged. An encounter with a police officer connected to her past triggers a series of dangerous events. Convinced that someone is out to get her, Giulia must protect her son.

Giulia flees the roads with her son, hunted by a hacker and the police. She tries to understand why she has become a target. Her investigation leads her into the past of David, her late husband. Meanwhile, the police, led by Joseph Brunner, are actively searching for her.

Giulia and her son Achille try to solve David's murder. Their investigation leads them to Professor Keller, a former colleague of David's with ties to Jezebel, an elusive hacker. Convinced that he is the one hunting them, they set a trap to unmask him.

Giulia and Achille discover the whereabouts of their pursuer, Jezebel. They venture deep into the mountains, following treacherous roads that will lead them to their tormentor. The obstacles they encounter will strengthen their bond, weakened by grief. They eventually arrive at an abandoned bunker…

A look back at David's past and the years leading up to his death. David had everything to be happy: a promising career, an ideal wife, and a thriving child. Yet, a wrong turn would shatter everything. A terrible descent into hell, invisible to those close to him.

Giulia and Achille discover the hideout of the man who has been hunting them from the start: Jezebel, a criminal who has been manipulating them from his bunker. After a confrontation with their tormentor, they uncover his motives and decide to work together to bring him to justice.