Genre: Psychological Thriller Setting: Remote psychiatric institute during a winter blackout Protagonist + Emotional Wound: A grief-stricken neurologist haunted by his wife’s suicide Central Mystery: Patients claim someone who died years ago still walks the halls at night Tone + Ending: Paranoid, oppressive, tragic ending --- CORE PREMISE: During a brutal winter blackout, a neurologist trapped inside an isolated psychiatric institute begins investigating reports of a dead former patient appearing in locked corridors at night. As fear spreads among staff and patients, he discovers disturbing inconsistencies in medical records, surveillance footage, and even his own memories. --- RED HERRING: False Conclusion: A surviving patient is secretly impersonating the dead woman. Evidence: Witness sightings, stolen uniforms, forged signatures. Hidden Truth: The protagonist himself altered records during memory experiments years earlier. --- FINAL TWIST: The protagonist discovers many of his memories were artificially modified after his wife exposed illegal experiments conducted inside the institute. --- EMOTIONAL AFTERSHOCK: The reader is left questioning whether guilt can permanently distort human perception.