When an unidentified corpse surfaces in November 2025 bearing an arcane symbol carved into its flesh, authorities dismiss it as an isolated tragedy—until a second victim emerges with the identical mark three days later. What begins as a baffling serial murder investigation gradually reveals itself as something far more sinister, touching upon forces that threaten to destabilize reality itself. By navigating the intertwined narratives of multiple characters and reconstructing the fragmented events of a mysterious week shrouded in darkness, players uncover the hidden connections binding these deaths together and confront truths that challenge the very fabric of existence.