When Su Li receives a mysterious package, she opens it to find an old mobile phone. There’s only one line of bloody text on the screen: “Welcome to the supernatural mystery-solving survival game. Death or victory, choose.”
Forced into a bizarre world, she discovers that every level is a carefully designed deadly puzzle. Midnight singing in an abandoned hospital, a curse at a century-old school, the secrets of a village’s ghostly ritual... Faced with one terrifying event after another, Su Li can only rely on her exceptional powers of deduction to find a way out of each desperate situation.
“I’ve never believed in a perfect crime. Even ghosts leave traces.” Using the methodical unraveling of clues seen in Young Justice Bao, she solves one mystery after another, only to discover even more shocking secrets hidden beneath them.
As her companions fall one by one and the ghosts grow ever more powerful, Su Li finally understands: the purpose of this game was never to let anyone leave alive...