In the heart of the Italian mountains, the peaceful life of the Santini family takes a dark turn when all its members disappear without a trace. What seemed like a routine search quickly turns into one of Italy's biggest and most complex police operations, as every clue seems to lead to a dead end. As the authorities investigate the case, disturbing questions begin to emerge: was the family the victim of a horrific crime, or are there darker secrets that the Santini's were hiding? The mystery surrounding their disappearance defies logic and torments the investigators, leaving a sense of unease and intrigue in the air.