Parish & Richards investigate what appears to be the simple case of a woman who was sexually assaulted and murdered in her own apartment, but Richards is convinced it's the work of a serial killer . . .Stick & Xena attend the A&E at King George Hospital to investigate a woman who says that she murdered her boyfriend, but things are a lot more complicated than they first appear. And then Xena gets some bad news . . .Jerry Kowalski is back at the office. She's dealing with a client who lives in a high-rise called Butterfield Spire, which is owned by recluse Israel Voss. There's a smell, but the building supervisor won't let her bring in the experts to investigate . . .