Inspector Amaia Salazar must return to the Baztan valley in order to solve a series of suicides that seem to follow a similar pattern.

Inspector Amaia Salazar confronts the origins of her nightmares as she unfolds the darkest secrets of the Baztan valley. Part 3 in the Baztan Trilogy.

Satur and Tina are married, and Berta enters their life as a ‘unicorn.’ In the end, however, Satur is pushed out and Tina and Berta have an affair. Manu is a loser who tries to embark on a relationship with Amanda, who at the same time is involved with Alex, Claudia and Marta and Esteban, with whom they are all co-raising two children. Everyone seem to be living many different lives but all of them will have a lot to learn from each other.

Helena is looking for love and tries dating apps in search of sex and, hopefully, a romantic relationship. She will meet up with a normal guy on a normal night. During the date, her ghosts from the past, those relationships that have left their mark and caused her pain, will appear and prevent the night from unfolding "normally." Is it possible that she won't be able to connect with someone until she resolves her past "traumas"?