In a Mexico consumed by violence, the "Alpinist" causes terror with brutal crimes that challenge UNIC. After the murder of a detective and an attack that injures civilians, captain Eligio Enciso leads an investigation full of pressure and trauma. Evidence that leads nowhere and messages from the killer increases the tension while two new detectives join the team to put a risky plan in motion. In a warehouse used as a trap, a confrontation full of tension will put the limits between justice and vengeance to the test and will make the unit face the consequences of its battle against an implacable enemy.
