Andy and Acting Detective Steve Smith gather to cover the unsolved mystery of Margaret McWilliams' murder. On august 27, 1997, 21 years old Margaret left her apartment in the evening to go for a run around the park of Warden subway station. The following day, Margaret didn't show up to work. After a large scale search conducted by the police, Margaret's body was discovered in the woods along the trail. Traces of violent trauma were reported.