After Brian McDonald (Simon Fogarty) is found murdered on a beach, his sister Sarah (Donna Bradley) begins to unravel the events surrounding his last few weeks alive. Soon, Sarah begins having dreams of them at a mansion, where they are being haunted by strange figures. With the help of childhood friend Michael (Andy Blaikie) she begins digging into her past to find out why they were fostered, who their real mother is and how the mysterious mansion ties into her brother's death. Shackled will take you on a journey spanning countless generations and untold ruined lives...