Cora Tannetti faces legal and psychological scrutiny due to a violent incident reflecting her traumatic past. Flashbacks reveal her troubled history, including a violent confrontation with a man named Frankie. Detectives investigate her past, uncovering her struggle with drug abuse and PTSD psychosis. Family dynamics are explored, particularly her strained relationship with her parents and the impact of her sister's illness. The storyline delves into Cora's heroin addiction, its effect on her life, and the mysteries of her lost time. The episode culminates in a tense courtroom scene where Cora pleads guilty amidst doubts and unresolved issues.