The Cutting Edge

Lincoln Rhyme and Amelia Sachs return to New York City to investigate a series of brutal murders targeting engaged couples, with the killer, known as the Promisor, striking during some of life's most joyful moments. As the case unfolds, the detectives uncover a dangerous pattern and a key eyewitness who could be crucial to stopping the killer. With time running out, they race to solve the case before more lives are tragically lost.