Dead Dog Walking

While Peggy treats a patient who suffers a near-death experience during surgery, Declan investigates a foreign cardiologist who's wooing her -- and discovers that the so-called doctor might be more of a killer than a healer. Fearing Peggy is being courted by this con man, Declan delves into his background and unearths the mysterious disappearance of the suitor's last romantic conquest.

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S01E20 - Wonderful