Doctor Mayu Shirakawa treats coma victims by entering their dreams. Until the process failed her husband. Despite her grief, she knows the project saves lives, and that's why Mayu agrees to fight for it. Her next patient, 11-year-old Skye, seems the perfect candidate to rescue her sinking business.

But when Mayu enters Skye's dreams, she finds the girl is hiding a secret far bigger than either of them realise. Violent forces in the waking world want answers. If they ever want to wake up again, they must journey through imagination and the nightmares of their past.

Mayu is caught between duty and grief, integrity and corruption. Now she must decide how to embrace life if she wants to save Skye's future.