The team searches for Julie Cochran, a marine biology student who went missing after attending a party with her boyfriend. However, when new evidence of multiple dead women in different cities points to the boyfriend's identical twin brother, the team struggles to discern which twin is really guilty.

Mark Wilson goes missing while trying to prove the innocence of his son - a death row inmate who is facing imminent execution for murdering a married couple in front of their young daughter during a botched robbery.