A playing card left at a murder scene connects a string of killings in this docuseries tracking a notorious serial killer who terrorized Spain in 2003.
We rank shows by quality, not popularity. Each genre has its own pool — the best title in each genre scores 100, so a great War film competes against other War films, not blockbusters. A masterpiece in a niche genre can crown its category even if most people haven't heard of it. Learn more →
