Law & Order: Criminal Intent: Season 7, Episode 4

7 - 4: Lonelyville

A threeway turns deadly, and a pair of emerald earrings are the only clue. Writer Noah Brezner has awakened after a threeway with a blonde and a brunette, to find the blonde dead, the brunette gone, and Noah with no idea what happened. Major Case is called in to investigate the death of a Jane Doe tied in Japanese bondage ropes, then strangled. Mike Logan and Nola Falacci are intially stumped by this lurid puzzle - their only clue to the girl's identity and demise is the pair of emeralds hanging from her ears.