River reaches a breaking point when pursuing the killer of a colleague and battles for his livelihood after he faces scrutiny for his actions.
River's mental state further deteriorates when he starts to believe that he may have made a tragic mistake while pursuing a suspect.
River reassesses his relationship with Stevie when he learns crucial new information, which leads to further suspicions about someone close to her.
Closed-circuit footage reveals new information related to the murder investigation, pointing toward a car that may provide a breakthrough.
River and Ira uncover further information that leads them to a new suspect, but their work has devastating implications on another team member.
River's state of mind continues to spiral as he confronts the awful truth about the murder investigation, leading him to question moving forward.