In a remote village in Cornwall, a mysterious event triggers a series of unsettling occurrences that disrupt the daily lives of its inhabitants. When a young man, Mark, arrives in the town to investigate the strange death of his brother, he encounters an atmosphere of distrust and superstition. The locals speak in whispers about a legendary creature, a reptilian being said to be linked to an ancient curse that hangs over his late brother's family.
As Mark delves deeper into his investigation, his curiosity leads him to uncover the truth behind the unsettling story of the family residing in a dilapidated mansion. There, he crosses paths with Ellen, the enigmatic daughter of the family, who holds a dark secret that could unravel the mystery of the deaths in the village. Tension escalates when Mark realizes that the creature lurking in the shadows is not merely a legend, but a terrifying reality that is determined to protect its identity at all costs.
As events become increasingly sinister and the connection between the villagers and the beast grows clearer, Mark must decide whether to embark on his own quest for the truth or flee and leave behind what he cannot comprehend. The atmosphere of gothic horror intertwines with a profound sense of family tragedy, leading the viewer to a haunting conclusion where fear looms over the struggle for redemption.