Saya begins to question her past, her memories--even her identity--but is interrupted by an Elder Bairn before she can get any answers from her father. Later, in the shrine's archives, Saya and her teacher make a shocking discovery.

An unlikely mastermind has been manipulating Saya, turning her life into a deadly game. But who is the winner? Before that can be determined, Saya will have to come to terms with her true identity, and stop a rampaging horde of Elder Bairns.