As Yakumo and Pai embark on a quest to unlock Pai's hidden memories they unleash the full extent of her power. They team up with a magical monk and a disreputable treasure hunter as they try to find the Lost City of the Sanjiyan - before the ultimate battle begins.

Yakumo and Pai's quest coming towards a conclusion as they embark on the most dangerous part of their journey. They arrive at the Sacred Gate of Lost Time where they must journey into the dark past of the Sanjigan people. The final battle fast approaches, and the forces of darkness continue to build their power, so it is down to Pai's powers to make sure good triumphs over evil.