Prodigal Daughter - Inheriting Evil, #4

In the thrilling conclusion to the Inheriting Evil series, Sloane Matthews must face down the worst kind of evil.  After facing off with the Roman Numeral Killer, Sloane Matthews is teetering precariously close to the edge. She doesn't want to give in to the darkness she's fought so hard to control, but it might be the only way she can stop what's coming. Sloane is bound and determined to slay her demons once and for all.
Even if it costs her everything.  Finding Sloane near death after facing off with the serial killer he was supposed to catch changed everything for Special Agent James Cade. He could never have predicted the path his investigation would take or that he'd fall for his number one suspect. Instead of taking time to recover, Sloane is running head first into another fight to the death, only this time, Cade's not sure if any of them will make it out alive.  Darkness can't hide in the shadows forever.  To face her future, Sloane must confront her past.
Can Cade keep her from going past the point of no return, or will everything he hoped to build with her go up in flames?