Marsden doesn't appreciate the constant, nonsensical commentary from the ghost haunting his apartment, but he tolerates it. When an old woman clues him into the ghost's name, he starts to realize that she's hiding from her memories. The night Marsden's girlfriend goes missing, he realizes that the same person who was responsible for the ghost's murder is the same person who took his girlfriend. Can he work together with a ghost that has no interest in remembering and solving her own murder in order to save his girlfriend?