"Either you kill the bull, or the bull kills you. " Chief Inspector Max Cámara thinks in proverbs, and he hates one thing above all: bullfighting. One hot afternoon in Valencia, however, he has to stand in for his boss judging a festival corrida starring Spain's most famous young matador. That night, he is back in the bullring, and what he finds on the blood-stained sand shocks the city of Valencia to its core.