As Sia unpacks her life into a new home, she uncovers her grandmother's diary. It speaks of a mysterious man who gifted her grandmother tea leaves laced with otherworldly powers. Intrigued and desperate to unravel the tale, Sia digs deeper and hears whispers of a mansion—a place said to be the dwelling of a reclusive individual plagued by mental anguish. Some even claim it's the prison of a man ensnared by witch hunts long ago. Compelled by this swirl of dark rumors, Sia takes the daring step to visit the mansion, a house shrouded in secrets and sealed away for decades.