Forensic science teacher Sanaa Karrem buried her past as deep as she could. When her serial killer father, known as “the Ferryman,” disappeared eighteen years ago, she tried to disappear with him. She changed her name, built a new life. And for a while, it all felt like a distant nightmare.

But when bodies turn up with pennies on their eyes, Sanaa recognizes her father’s signature. The nightmare becomes real again. Soon, Sanaa starts receiving threatening messages and increasingly disturbing “gifts.” The killer is toying with her, and she can’t tell anyone—not even her own fiancé, Detective Marcus Morelli, lead investigator on the case.

As the body count rises, Sanaa leans on her expertise as a former medical examiner to close in on the killer. What she finds is a horrific manifestation of her father’s legacy, hitting shockingly close to home. But what disturbs her most is how much that legacy still lingers within her…