Danny and Frank will join forces to put an international criminal behind bars for good.

Liza returns from the Hamptons and has to deal with the aftermath. A famous life coach, whose book Empirical is pursuing, forces Liza to face some hard truths.

Mac (Rock Hudson), who has not practiced law since becoming police commissioner, returns for his annual naval reserve duty with the Judge Advocate General Corps and is assigned to defend a young lieutenant on a homicide charge.