Fool's Gold

S7 E17: Provenza gets trapped into helping his first ex-wife, Liz (guest star DIEDRE O'CONNELL – You Don't Know Jack), recover her wedding ring after she is ripped off by a shady gold buyer. But he once again finds himself stuck in a professionally embarrassing situation, this time involving a robbery, a felony murder, an evidence-swallowing dog and a frantically desperate appraiser (guest star REG ROGERS – Primal Fear).