After her husband disappeared 4 years ago, Inspector Sonia Ledesma joins the Missing Persons Group, commanded by Santiago Abad, for private reasons.
While Sonia and Sebas investigate a case of a missing child in the outskirts, Rodrigo and Azhar are looking into the event of two teenagers vanishing.
Rodrigo and Sebas suspect the owners of the jewelry shop after the jewelry manager disappeared. Meanwhile, Sonia and Azhar stop an incident of stealing a handbag.
Sonia and Sebas investigate a case where a whole family disappears, heading off with the only family teenager left, who wished her family dead.
The team tries to solve the mystery of a child's disappearance while playing on his porch in a complexed family circumstances.
Santiago resumes his complicated relationship with his son after paying his bail, as he was charged for a jewelry store robbery.
When the authorities are forced to disinter the body of a young man, who went missing ten years before and was considered dead, they will reveal a shocking surprise.
The team investigates in two different disappearance cases of a teenager and a husband.
When a baby goes missing, all fingers point to Carmen, as she is in constant arguments with Ricky and the baby's parents.
As Rodrigo calls Sonia to inform her about Santiago's news, her plans to look for her husband in Somalia are ruined. Meanwhile, a 40 years old missing magician's wife claims to have news leads about her husband.
When a burnt body is found in the van, Sonia is certain that it belongs to Santiago. She believes she knows who is responsible after meeting Gaspar.
The team succeeds in freeing Santiago and Gaspar, who is badly injured, and exposing commissioner Velasco. Later on, Santiago learns about Carmen's investigation, when he gets back to work.
As Sonia waits for news about Mikel, Sebas and Azhar follow the leads about the teenager in a video given by a makeup artist.