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

While Carlos, a banking executive, takes his two kids to school in his car, he gets a phone call telling him that there is a bomb under the seats and…

When the naked body of a teenage girl is found on the banks of the River Baztán, it is quickly linked to a similar murder one month before. Soon, rumours…