As the sound designer, named Jake, delves deeper into the investigation of the murders, he begins to uncover clues that connect the killings to his own forgotten past. Plagued by flashes of memories and strange deja vu, Jake realizes that he may have a dark history that he can't remember.
Desperate to unlock the secrets of his past and stop the killer before it's too late, Jake enlists the help of his close friend and neighbor, Emily. Together, they piece together the fragments of Jake's memories and uncover a sinister conspiracy that goes far beyond the walls of their building.
With time running out and the killer closing in, Jake and Emily must confront their own fears and unravel the mysteries of the past in order to save themselves and those they care about. But as they dig deeper, they realize that the truth may be more horrifying than they ever could have imagined. Will they be able to stop the killer before it's too late, or will they become the next victims in a deadly game of cat and mouse?