The mysteries to investigate: the ghost town of Mengollo (Quirós); the hospital for orphan girls of Santa Laureana in Gijón; and a terrible crime happened in Sebares (Piloña).
The mysteries to investigate: the secret of the mummies of Teverga; a visit to the church to Santa Eulalia in Abamia (Cangas de Onís); and the infamous case of "El Vampiro de Avilés".
The mysteries to investigate: the creation of the Salto de Salime, a reservoir in Grandas de Salime; the symbolism of the tree Texu (Yew), as the set in Bermiego (Quirós); and the murder of Silo in Muros de Nalón.
The mysteries to investigate: Celtic mounds and megaliths as the set in Mount Areo (Carreño); the story of the Iglesia de Santianes (Pravia); and the crime of Colosía, a town belonging Panes (Peñamellera Baja).
The mysteries to investigate: the life of Witch of Brañavara (Boal), the last witch of Asturias; the story of the rebel abbess of Piloña; and the tortures committed in the Quinta Pedregal, a mansion in Avilés.
The mysteries to investigate: the crimes of Turón (Mieres) during the Asturian Revolution; the abandoned monastery of Obona (Tineo); and malaterías, hospitals for leprosy patients, in Proaza and Piloña.