S18E13: The Fallen Angel

A beautiful teenager found naked and shot to death in an Atlanta park. With no evidence to work with, rookie detective Andre Lowe struggles to unravel the mystery. But the viciousness of her mysterious death evokes the sympathy of the entire Homicide Unit who pitch in to identify her and recreate her last hours on earth from tiny clues. The case captures the hearts of the public and, with tips flooding in, the detectives work round the clock to try to find her killer/killers.