Ethan is an incubus, cast out of the covey by his succubus queen, after his actions directly led to the death of another incubus. He adopts the business of a dead man, and attempts to live as a mortal.
When Ethan finds Madison, he knows he should just fly away and leave her to live a normal, human life. But the incubi are hive creatures, he struggles living alone, and allows himself to believe he might find love and happiness in the arms of this shy young woman.
Meanwhile, the demonic creature hunting the incubi will not stop with the death of just one black-winged male, he seeks the destruction of Ethan’s entire species. After Ethan leaves, the covey is attacked again, and half of the remaining brothers are destroyed, leaving only two surviving males to protect their succubus queen. It is not enough.
The queen leads her mates in tracking down Ethan, hoping that the forsaken warrior might save them from starvation. It is a choice which will place the entire covey, as well as Ethan and Madison, directly into the path of the bloodthirsty monster hunting them.