Working undercover and under pressure in sweltering Madrid, everything depends on S nchez's performance.
When she goes off the rails during a mission, a concerned police chief moves her to light summer duties, watching over a dreary teenager.
But what starts out as an easy assignment turns into the most unimaginable of them all.
The one place she dreams of as a refuge is the old Spain of the north.
Her boyfriend is there, in the Asturian mountains, on a rather odd errand for the government.
a Spanish thriller