Ep 15. The Party's Over

In the CSI NY season 5 episode 15, titled "The Party's Over", Detective Mac Taylor and his team investigate the murder of a young woman who had attended a high society party in Manhattan. The episode begins with the victim, named Amy, leaving the party alone and getting into a taxi, where she is stabbed to death.

As the investigation proceeds, the team discovers that Amy had been having an affair with the host of the party, a wealthy businessman named Richard. They also uncover a network of other young women who had similar relationships with Richard, leading them to suspect that he may be involved in Amy's death.

Meanwhile, Detective Lindsay Monroe is struggling to balance her job with the demands of motherhood, as she tries to find a nanny for her baby daughter Lucy. She becomes increasingly frustrated and stressed when the babysitter she hires turns out to be unreliable, leaving Lucy in danger.

As the case builds towards a shocking conclusion, the team must race against time to catch the killer before they strike again, while Lindsay fights to protect her child and maintain her professionalism in the face of personal challenges.

Overall, "The Party's Over" is a gripping and emotional episode that highlights the intense pressures faced by police officers both professionally and personally. With strong performances from the cast and a complex and well-written plot, it is a standout episode in the CSI NY series.