Dr. Mark Denforth is a plastic surgeon and the prime suspect in the murder of sex worker Gwyn George. Gwyn had a history of blackmailing johns, and Mark is suspected of killing her to silence his infidelity.
It’s revealed after Mark’s conviction his wife Julia killed Gwynn, with the full intention of framing Mark as revenge for his affairs. Julia pleads out, and Mark is released once his conviction is overturned, (L&O: “Humiliation”)