Melody Garrett

John teaches Ben several key tips to being a police officer, including the proper ways to make a death notification and arrest a suspected drug user. Sammy stays with Nate's family while he sorts out his marital problems. Lydia and Josie handle a drug-related murder case with an unorthodox suspect.

The FBI attempts to track down a murderer targeting men who solicit prostitutes. Initially the agents assume that their culprit fits the typical serial killer mould, but some surprising DNA evidence forces them to reassess their theories. Meanwhile, Colby and Nikki are involved in a serious car crash.