Ravaged (S02E18)

Vera's high school sweetheart asks the team to reopen the case of the death of her older sister. Ruled as an accident in the late 1990s, the woman's death was forgotten until a man recounts seeing her that fateful night. He believes his fraternity brothers manhandled her. Instead, the detectives learn that her downward spiral into alcoholism had left the young lady compromised. On that night, she lost her family, her self-respect and, finally, her life. (Warner Bros. UK)