When you want something more than anything else, how far do you go to get it? Obsession, love, and revenge produce a riveting crime puzzle that comes together like a piece of art. Jack Master, a successful New York FBI agent, gets assigned to the case of a lifetime: a serial killer who dubs himself the Red Apple. The opportunity morphs into a curse as Jack's leads dry up and his relationship with his fianc e deteriorates. After the Red Apple murders her, Jack loses control and gets fired. Five years later, a man contacts Jack and claims to know who the Red Apple is. When the man is killed before he can make his case, Jack decides to find the Red Apple without federal resources. He teams up with a mercurial woman, Emily, and hunts his nemesis throughout New York State. Darwin's Tulip explores institutional failure, grief, and the reality that nobody is ever safe.