A demon is turning souls evil. Humans are losing their humanity.
Keira Kenchuro, an orphan and well-known surgeon, has always occupied herself with saving lives. But when an unknown disease takes her sight; a once-promising career is suddenly in free-fall.
Things get worse when her best friend betrays her. She is alone, terrified, and desperate to cure her vision - to gain back everything she has lost. Until she sees things science can't explain and starts to doubt the evidence of her own eyes.
In her journey to find an explanation for the mystery, she walks straight into a trap. A trap which could take her life. Can Keira survive and walk out alive?