Miami, 1991. When his bloodthirsty urges can't be ignored any longer, young Dexter Morgan must learn to channel his inner darkness as he transitions from student to avenging serial killer with the guidance of his father, Harry.

Bodies are turning up around the city, each having met a uniquely gruesome demise. As the investigation proceeds, evidence points to one suspect: John Kramer, the man known as Jigsaw, who has been dead for over 10 years.