Roberto Hurtado is a very rich man – but also a seriously ill one. The main cure for his ailment is the fresh blood of young men. And so, ever so often, his driver, Perfecto, must walk the seedier streets of town to trap boys of a fitting age. Then he drains them to death, sometimes helped by Hurtado's nurse, Florencia, or Ever, the driver of Hurtado's son Adolfo. But, there’s another killer with similar tastes on the loose