3rd Degree

Detective Lindsay Boxer is out for a jog in San Francisco when a devastating explosion occurs at a townhouse belonging to an Internet millionaire. Amidst the chaos, she discovers three bodies and an infant missing, along with a perplexing message that puzzles the police department. As another murder rocks the community, Lindsay teams up with her close friends—a medical examiner, an assistant D.A., and a reporter—to uncover the identity of a killer determined to strike every three days, all while one of their own becomes a target.