Three friends arrive at the house of one of their brother's long-lost sibling, eager to unravel the mystery of his disappearance. However, what awaits them is far more terrifying than they imagined: a strange cyborg killer creature lurks in the darkness, driven by a gruesome motive and thirsting for blood. As the night turns into a deadly game, the friends must fight for their lives and uncover the truth behind this horrific transformation.