Based on a real case

Lilly Rush reopens a 1998 cold case that drove Vera nuts. They receive a letter from the serial rapist whose last victim, Gail Chimayo, was also killed and who is about to strike again after no activity during the last 5 years.
Once the main suspect, Gail's boyfriend, is finally discarded, the case gets a whole new angle. Lilly's
sensitive and soft approach makes the rape victims more inclined to talk. The pair obtain a composite and then a scenario detailing how the rapist picks his victims, leading them to the killer.

He's bragging, he's telling us he's back

I just wish we could met under different circumstances.

Vera: this case became a health issue for me

The 1958 death of an unknown 6-year-old boy found in a field inside a cardboard box is reinvestigated after a small suitcase with the child's picture and his old cowboy hat is left in front of a church. The new probe reveals that the rowdy boy lived at a Catholic-run orphanage and was adopted two days before his suspicious demise.

Oh, that old job. Boy in the box. City's most famous cold job.

The shooting death of a man in his driveway is connected to the unsolved 1992 murder of a Democratic campaign worker whose lifeless body was thrown into a nearby river on election night. The investigation centers on the relationship the dead woman had with a present-day congressman. Apparently, the victim in the current homicide probed into the earlier slaying and discovered damning new evidence. Elsewhere, Lilly spies Kite flirting with a new ADA and gets jealous.

If there's one thing I learned from Bill Clinton, never lie about that sort of thing.

When DNA evidence reveals that a wrong man was convicted for killing 15-year-old Eve Kendall back in 1986, the team re-opens her case in an attempt to find the real killer.