Black Mirror is the name of the ancestral manor of the Gordon family located inEngland. Samuel Gordon is forced to return there after 12 years absence following the death of his grandfather, William Gordon. Despite occurring under mysterious circumstances, William's death is considered a suicide by everyone except for Samuel. Plagued by sudden nightmares and excruciating headaches, Samuel is determined to find the true causes of his grandfather's death.
The exact cause of the death was the fall out of a window. Soon, strange and unexpected deaths occur. Samuel's investigation reveals that his grandfather has interests in the "world of darkness". The quests of the game lead to "Dark Mirror", a portal to an unknown world. Elements of black magic are obvious at the final chapter. The "Dark Mirror" is depicted as a book on apentagram. Samuel must use five keys on each of the five corners. He also sheds his skin with a knife, in order to open the portal, pouring some blood on the book.
The game ends when Samuel finds out that he is the killer responsible for all the deaths. Because of Gordon's curse he suffers from Schizophrenia and is convinced that the only way to stop the curse is to kill himself. He commits suicide with words that he can undone his sins.
The game is divided into 6 chapters:
- Chapter I: Return of the Future
- Chapter II: Back to the Light
- Chapter III: Hidden Legacy
- Chapter IV: Forgotten Bound
- Chapter V: Confession of the Truth
- Chapter VI: Look Through the Mirror