Once Upon a Time in Wonderland (2013)

S3E8 Trophy Girl

After Tracy is granted a three-day break following a shooting incident, Nick is left to tackle a gruesome murder case solo. Defying her superiors, Tracy goes undercover at an escort agency, inadvertently placing herself in the crosshairs of the murderer. Meanwhile, Nick seeks assistance from a notorious serial killer to track down the culprit, while Tracy risks becoming the next target in a deadly game.