Plot summary
When writer Noah Brezner awakens after a ménage-à-trois with a blonde and a brunette only 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 initially stumped by this lurid puzzle - their only clue to the girl's identity and demise is the pair of emeralds hanging from her ears.
Credits
Adapted from Wikipedia contributors, Law & Order: Criminal Intent season 7. HTML formatting and reference markers removed.