In the Season 1 finale, the failed case of a man found guilty of murdering his wife is revisited, which happened to be the case on which Hayes met Wallace nearly 10 years before. Meanwhile, a CIU team member must revisit their suspect actions in a controversial case.
The team investigates when a crime scene matches the M.O. of the notorious "Black Orchid Killer," and try to determine if it's the work of a copycat since there is already a man serving time for the original murders.
The case of a death-row inmate convicted of murdering a federal prosecutor who was one of Wallace's best friends is reopened. The subsequent investigation uncovers questions as well as cracks in the dead man's reputation.
The CIU takes up the case of a man with diminished mental capacities, who was imprisoned for burning down the family restaurant, a crime that led to fatal repercussions. Meanwhile, Wallace allows a documentary crew to follow the team, which leaves Hayes having to face her discomfort with cameras and other team members to reveal intimate details about themselves and others.
The CIU team takes up the case of a African-American civil-rights activist serving time for killing a white female cop at a race-equality rally. Meanwhile, Maxine becomes torn between her racial identity and her chosen profession.
The CIU examines the case of a young man taken in by a wealthy family and convicted of killing one of the members, while Hayes scrambles into damage-control mode after her controversial nationally televised interview that may have repercussions to her mother's Senate run.
Wallace's career-making case is reexamined by CIU team, but there are unforeseen complexities in this rape and robbery case, and the woman at the center of the crime becomes victimized again, this time by the press.
Crime drama about a woman who heads an agency that attempts to reverse cases where innocent people were jailed for crimes. First up, she champions a former high-school football star serving time for murdering his girlfriend.