"Tainted Blood" is a thrilling story about Raquel Welch, an author who stumbles upon a shocking double murder-suicide while researching for her new book.
She uncovers the tragic tale of a young, athletic high school student who killed his family before taking his own life. As she delves deeper into the case, Welch learns that the boy was adopted and has a fraternal twin sister.
Driven by the fear of a murderous genetic trait, Welch sets out to find the missing sister. Along the way, she suspects that her neighbors, Wagner and Green, may hold the key to the mystery.
As Welch races against time to uncover the truth, she must confront the possibility that one of her friends may possess the deadly trait. Will she be able to solve the puzzle before it's too late?