Danny and Baez grapple with a year-old homicide investigation brought to their attention by Maggie, the medium who previously helped them solve a case. Also, Frank looks for a way to help his ex-partner Lenny Ross when his daughter is arrested; Jamie and Eddie go apartment hunting; and Erin faces off against a cold-blooded defense attorney from her past.

Frank's esteem for an old friend and late socialite proves to be a mistake when her son threatens to publicly reveal who she really was. Also, Jamie asks Erin for help apprehending a perp who shot at him after learning she chose not to send him to prison six months ago; Eddie clashes with her new boss, Sergeant McNichols, and Danny drags Baez into a case involving a suspicious grieving couple.