Sonia Ledesma, inspector of the National Police Corps, arrives at her destination: The Group of Missing Persons led by Santiago Abad. She has asked to enter this unit for personal reasons: her husband disappeared four years ago.
Sonia and Sebas investigate the disappearance of a child. The inspector in charge focuses his suspicions on the housekeeper and her boyfriend. Rodrigo and Azhar work on the disappearance of two different teenagers.
Rodrigo and Sebas investigate the disappearance of a jewelry manager. Their suspicions focus on the couple who owns a jewelry store where the missing person was last seen. Sonia and Azahar accidentally avoid the theft of a bag.
An entire family disappears without a trace. Sonia and Sebas investigate the family environment starting off with a teenager who has repeatedly expressed her desire to see her entire family dead.
In a desolate complex of townhouses, a child disappears when he is playing on the doorstep of his house. no witnesses, no clue, just a complicated family environment that Police's Group 2 must unravel.
Santiago's son, an experienced burglar is free on bail, accused of a large robbery in a jewelry store. Santiago takes over the bail and his son, with whom he resumes a complicated and painful relationship.
An unfortunate succession of police and judicial mistakes forces the exhumation of a young man who disappeared more than ten years ago and was presumed dead three years ago. The corpse turns out not to be his.
A teenager gets out of her mother's car and disappears in the middle of a desolate industrial estate. A couple celebrates their anniversary in a luxury hotel. In the middle of the night, the husband disappears.
Luis and Vane's baby is taken from his cart in the middle of the park, in an oversight of her. All suspicions point to Carmen who is in constant fight with Ricky and the parents of the baby.
The wife of a magician who disappeared forty years ago is convinced that she has new clues about her husband. Sonia is about to fly to Somalia in search of Mikel when a call from Rodrigo destroys his plans: Santiago has disappeared.
Everything indicates that the charred corpse found in the van corresponds to Santiago. This is what Sonia thinks when she arrives at her house and finds out that Gaspar is inside. Gaspar shows her the important jewels.
Group 2 manages to unmask commissioner Velasco and free Santiago and Gaspar, who is seriously injured. When Santiago returns to work, he learns of the amateur investigation that Carmen is conducting on a businessman.
In a motel on the border of Kenya and Somalia, Sonia awaits news from Mikel. She will have them very soon, in the identification of his corpse. Santiago and Rodrigo are getting closer to knowing where Carmen's son might to be.
