The Algarve, Portugal, visited by 20 million tourists a year, home to 460,000 people, and a playground for a serial killer known as the Monster of the Algarve.
Private investigator Harrison Lake returns to Albufeira to provide a fresh take on the case, sixteen years after his parents died in an accident on the town's shoreline.
But things quickly take a sinister turn when another victim is discovered, and Harrison is forced to choose between solving the mystery at all costs or getting out of Portugal alive.
As secrets and lies are exposed, he learns the monster is connected to the most infamous Portuguese disappearance in history. A discovery that could change the landscape of the entire region.