In London, a British agent finds himself entangled in a high-stakes game of cat and mouse when his son is kidnapped. As he delves deeper into the mystery, he uncovers a web of deception and betrayal that threatens to unravel everything he thought he knew. With time running out, he must race against the clock to save his son and bring the culprits to justice. "The Black Windmill" is a gripping thriller that will keep you on the edge of your seat from start to finish.