Captain Rojas arrives in northern Chile from Santiago to investigate the mysterious disappearance of a group of teenage girls in Alto Hospicio. Carrasco, a local police officer assigned to be his partner, tries to explain the official theory: The young women fled from their hellish lives to prostitute themselves abroad. Rojas' investigation reveals a more disturbing truth.

Episode 1 - 72 Hours

Drama

Crime

Captain Rojas teams up with local police officer Carrasco to investigate the disappearance of a group of teenage girls from Alto Hospicio.

Inspector Rojas: In Cold Blood

Series 1

Captain Rojas teams up with local police officer Carrasco...

Intelligence confirmed by the head of the Alto Hospicio police forces Rojas and Carrasco to travel to Tacna, a wild Peruvian city on the border with Chile. In Peru, Rojas infiltrates the people-trafficking gangs who deal in ''white slaves'' in an attempt to find the missing Chilean girls, to no avail. 

Episode 2 - Tacna

After reviewing all the murders of women in the area, Captain Rojas believes he has found his serial killer's "Case Zero": a prostitute, whose body appeared on a beach two years ago. While Rojas pursues this lead, Carrasco has suspicions about a volleyball teacher who taught several of the missing girls. The information spreads amongst the neighbours, who want to take justice into their own hands.

Episode 3 - The First Victim

Following the trail of disappearances leads Rojas to 'La Ponderosa' a place in the middle of the desert where private parties are held with prostitutes, many of whom are minors. During his surveillance of La Ponderosa he rescues Ayleen, a young homeless woman. Ayleen is at La Ponderosa to investigate the sudden disappearance of a close friend. 

Episode 4 - La Ponderosa

The case of the Alto Hospicio Psychopath reaches national coverage, but Rojas' investigation into institutional corruption in Hospicio puts him in the sights of several powerful men in the area. Following the events at La Ponderosa, and with nowhere else to go, Ayleen moves in with Rojas and Diego, his son who has just arrived from Santiago.

Episode 5 - The Letters

Rojas leaves the hospital after receiving a brutal beating in which Carrasco also secretly participated. The attempt to intimidate Rojas only reinforces his need to continue investigating, but his theory crumbles when the innocence of the driver of La Ponderosa, whom he considered the main suspect, is proven. Concurrently, Andrea investigates Rojas' past...

Episode 6 - The Dogs

After exposing the corruption and threatening his superior, Rojas continues his investigation without the support of the police. A new clue leads him to investigate a secret within the Avila family. Andrea earns the trust of Valeria Avila's sister, whose testimony brings them closer to the real identity of the murderer. Ayleen tries to redirect her life, not knowing the danger it puts her in...

Episode 7 - All the Families

Rojas is convinced that he has discovered the identity of the psychopath but he has no evidence. He travels to the murderer's hometown, where he discovers the origin of his violent instincts. Ayleen survives a brutal attack and her testimony becomes the key to finding the psychopath. Rojas and Carrasco must join forces again to break the murderer and get the confession they need. 