Ethan Jackson isn’t what you’d call “outgoing.” He prefers the quiet hum of logic, the certainty of puzzles. When the Seattle Police Department brings him in to consult on a cold case, it’s more than just unusual—it’s personal. No witnesses. No evidence. Just a damaged audio file, and a strange symbol… Yūrei — 幽霊. Ghost. Ethan can’t shake the feeling that this case is tied to the mysterious disappearance of his father twelve years ago. The deeper he digs, the more the lines blur between reality and something else entirely. Some ghosts don't want to be found. And some others never left....