After Philip and Valerie Messick are attacked in their home, Green and Fontana follow the trail to a small-time thug named Jay Fleckner. After Valerie's testimony unintentionally helps free Fleckner, he is found dead, and detectives soon realise that Bob Cerullo, a family friend of Valerie and her late husband, was the triggerman. Unfortunately, when McCoy attempts to prosecute Cerullo, a reti