Description: A mystery drama TV series that follows six high school friends whose lives are chronicled over 20 years, starting from their graduation in 1986. The series culminates at their 20-year reunion, where one of them is murdered. A detective investigates the crime by flashing back through the years, revealing secrets and motives of the remaining friends. The show was structured to reveal a new year of their lives each episode, moving from 1986 to 2006, with present-day scenes of the detective investigating the murder.