See Also: 'Stuck On You' Episode Guide

In the upcoming CSI: New York episode "Stuck on You," a romantic evening for Stella Bonasera and Frankie Mala will go horribly wrong when they both become witnesses to murder.

CSI Files sources revealed today that the episode will open at a high-class party in the Tribeca loft of 22-year old billionaire Carlo Franchetti. He's hosting an exhibition for James Gold, a promising young artist who creates mosaics out of thousands of individual images, all working together to form a new image. Stella and Frankie don't seem all that interested in the artwork, but more in kissing each other -- a trend that's mirrored in most of the young female guests at the party, who are parading around hoping to be noticed by Carlo. A Brazilian girl named Mirabella ends up being the lucky one: Carlo walks up to her, whispers a few seductive words into her ear, and then takes her away to his patio.

In the patio, a passionate sex session follows. Carlo and Mirabella rip off each other's clothes, then Carlo pushes Mirabella against the wall and begins making love to her. Just as it seems they can't get any closer together, a whir sounds through the room -- and then a horrible scream, as an arrow pierces Carlo's back and Mirabella's front and pins them to the wall.

By the time help has arrived in the patio, Mirabella is already dead. Carlo is still screaming, completely freaked out by the pain of the arrow and the sight of dead Mirabella only a few inches from his face. Carlo is cut loose, then taken away by ambulance, leaving Stella in her party dress and a newly-arrived Mac Taylor to begin collecting evidence.

Mac and Stella realise that finding their suspect is going to be hard: every single woman at the party who saw Carlo pick Mirabella over themselves could have held a grudge. But the CSIs catch a lucky break when they find a woman's hair on Mirabella's body; a hair that probably belonged to Carlo's previous sex partner. DNA testing traces the hair back to Sienna, a 21-year old gym instructor. She admits that Carlo came in that day and bought out the entire class, then challenged her to a rope-jumping endurance test that quickly led to an entirely different form of physical exercise.

Stella thinks this gave Sienna a great motive to kill. Here was this billionaire who came in and swept her off her feet, and only a few hours later he'd moved on already to this beautiful Brazilian girl. Wouldn't it make sense for Sienna to want revenge on Mirabella? Sienna insists she knew all along it was a one-time deal with no strings attached, but Stella still insists on taking her fingerprints.

Unfortunately for Stella, Sienna's fingerprints don't match those on the arrow. But analysis of the arrow does reveal something else: there's some dried-up blood stuck to the arrow's feathers that's not human, but comes from a panther. Rather than a beautiful girl, it looks like the CSIs may have to start looking for a seasoned hunter as their suspect. And then they have to figure out why a man like that would want to kill Mirabella...

While Mac and Stella focus on Mirabella's case, Danny and Lindsay go out on the streets to investigate the death of Gideon, a man who made a living posting ads for up-and-coming rock groups everywhere he could in Greenwhich Village. The CSIs quickly discover that the poster-posting trade is a cut-throat business. Local business owners aren't sorry at all to hear about the death of someone who was constantly posting bills all over the place, and Gideon's competitors just seem relieved to have to fight with one less person over their territory. But did Gideon really annoy one of these people so much it got him killed?

Please note that the above plot details have not been confirmed by CBS, Alliance Atlantis or Bruckheimer Films, and until such time you should treat this information as you would any other rumour. The above information comes from early script drafts and the details and the airing order of the episodes are liable to change before the episodes are shown.

"Stuck on You" is expected to air next month on CBS.

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