Warning: This content contains graphic violence and mature themes. 18+

In the shadow of WWII, brilliant physicist Julio Santoro develops "El Silencio," a terrifying radioactive weapon designed for invisible assassination. When Santoro vanishes from a locked Madrid laboratory, a gruesome discovery in the Tabernas Desert unravels a web of Cold War espionage and a lethal love triangle. As an OSS agent and a hidden genius collide, they trigger a catastrophic exposure. This haunting noir thriller explores the dawn of atomic horror—where the deadliest secrets glow blue.