Two children are imprisoned by the jihadists and hidden in a village while terrorists prepare the conditions for transfer them to the Algerian desert. A group of Spanish Special Forces from the Army is sent to rescue them. To success in the mission the captain and the sniper have put aside their differences, blame and resentment and collaborate together.
Based on the novels of Alicia Giménez Bartlett, it is a police series in which the inspector Petra Delicado, a divorced and independent woman manages to solve complicated criminal plots episode by episode, with the collaboration of sub-inspector Fermín Garzón.