When an unexpected piece of evidence surfaces in the 305, Rosewood and Villa attempt to solve a serious crime involving a very well-off Miami man.Meanwhile, Rosewood struggles to balance a new romantic interest with the demands of his mother, and Villa runs into trouble on the job.Rosie insists on celebrating his and Villa's nine-and-a-half month anniversary as partners, landing them in the middle of a case involving none other than Julius "Ju-Ju" Beeman, their confidential informant. As Rosie and Villa work to uncover the truth, even if it means putting Ju-Ju away for life, Villa discovers a whole new side of him she never saw coming.
As Villa and her new partner investigate the death of a suburban dentist who ran a yuppie drug ring, Rosewood can't shake the feeling that his "replacement" is more than meets the eye. Anita Eubanks, is brought in to help with the investigation and Hornstock's insecurities hinder his ability to handle the public relations side of the case, forcing him to turn to an unlikely source for help.Heath also butts heads with Hornstock, who stands to take over as police chief if he can catch the killer.Meanwhile, an impending lawsuit against Rosewood threatens the lifeline of Magic City Lab and forces Donna to take a long hard look at the way her son lives his life.Meanwhile, Shirley's revelations lead to emotional consequences for Rosewood and Pippy.While testifying for the prosecution during a murder trial, Rosewood engages in a pathology chess match with the expert witness for the defense – his father. make an unexpected announcement, it has unforeseen consequences.