For centuries demon-angel hybrid Kaine Serafino has known the punishment for breaking the Old Laws is Banishment, so he has successfully lived by a single code: remaining invisible to humans. Until now. One glimpse of Leaena Gilmore being accosted by a Soul Eater and Kaine is inexplicably driven to interfere in order to save her, transforming her into his species in the process. Leaena Gilmore owes the fact that she still breathes to Kaine. He has just begun to help her adjust to her new existence, awakening instincts and desires she has never known that are both passionate and dangerous, when the Consilliuate that rules the darker realms takes him away to stand Trial. For the very deed of saving her life. Now she is left to navigate this new reality in order to free him, for she needs his assistance preventing the decimation of ignorant human lives the Soul Eater's plans will bring. And she's beginning to discover, it may be impossible to live without him.... literally.