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 the case of a missing child, Rodrigo and Azhar look into the cases of two missing teenagers.
Rodrigo and Sebas suspect the owners of a jewelry shop after a jewelry manager disappears. Meanwhile, Sonia and Azhar stop an incident of a handbag theft.
Sonia and Sebas investigate a case where a whole family disappears, beginning with the only family member left, a teenager who wished her family dead.
The team tries to solve the case of a child who disappeared while playing on his porch in a bleak residential compound.
Santiago resumes his complicated relationship with his son after paying his bail, as he was charged with a jewelry store robbery.
When the authorities are forced to disinter the body of a young man, who went missing ten years earlier and was assumed dead, they will reveal a shocking surprise.
The team investigates two different disappearance cases of a teenager and a husband.
When a baby goes missing, all fingers point to Carmen, as she is constantly fighting with Ricky and the baby's parents.
As Rodrigo calls Sonia to inform her of bad news about Santiago, her plans to look for her husband in Somalia are ruined. Meanwhile, the wife of a magician who went missing 40 years ago 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 the video given to them by the makeup artist.