When an identity thief with no apparent identity of his own is found brutally murdered with an ice pick, the investigation leads Jane into Boston's Irish-mob past. A startling discovery about the victim sends Maura on a deeply personal quest. Meanwhile, Frankie Jr. tries to help his dad add to his client base. Oscar nominee Chazz Palminteri (Bullets Over Broadway) returns as Frank Rizzoli. John Doman (Damages, The Wire) and Chris Coy (True Blood) guest star.