At seven years old, Mario Vega faces a terrible tragedy - his parents are dead in an apparent suicide pact. But Inspector Javier falcon has his doubts. In the brutal heat of a Seville summer, he dissects the disturbing life of the boy's father, Rafael Vega. His investigation draws threats from the Russian mafia whose corruption reaches deep into the city. He questions a creative American couple with a destructive past and uncovers the misery of a famous actor whose only son is in prison for an appalling crime. More suicides follow and one of them is a senior policeman. As a forest fire rages through the hills above the city Falcon must sweat out the truth that connects it all - and find the final secret in the dark heart of Vega's life.