An enigmatic international spy in the service of Russia and a Spanish agent of Moroccan origin working for Europol coincide in the Syrian city of Raqqa, an enclave of the self-proclaimed Islamic State (ISIS). Both, despite being on opposite sides, have a common goal, to locate the whereabouts of one of the main leaders of the Jihad, known as The Jordan, to facilitate his elimination and precipitate the fall of the organization. In an atmosphere of mutual distrust, both will have to evade dangers, from summary executions to women sold into slavery.
The nightmare tells how in 1880 in a village in mountainous Galicia a series of mysterious deaths devastate the region. All the victims are young women, and murdered under mysterious circumstances. And the townspeople begin to suspect that the person responsible is Naim, a strange neighbor who lives apart, never leaving during the day. But Lúa, a young woman from the village who sees through her prejudices, will do everything possible to protect her most hidden secrets.