Ep 21. Hostage

In CSI: NY season 4 episode 21 titled "Hostage," the team investigates a hostage situation that takes place at a bank in Manhattan. A group of armed robbers have entered the bank and taken hostages, including a young girl named Anna. The robbers demand a large sum of money and a helicopter for escape.

The team, led by Detective Mac Taylor, arrives at the scene and begins to gather evidence. They discover that the robbers had planned the heist meticulously, and had rigged the bank with explosives. In addition, they have also hidden Anna somewhere within the building.

Mac works closely with the SWAT team to formulate a plan to rescue the hostages and capture the robbers. However, things take an unexpected turn when they discover that one of the robbers is actually an undercover cop named Adam.

As the situation escalates, Mac must navigate the tense and volatile situation to ensure the safety of the hostages and bring the robbers to justice. Along the way, the team uncovers surprising twists and turns, including a major betrayal and a shocking motive behind the robbery.

Through their tireless investigation, the team shows their unwavering commitment to justice and protecting the innocent, even in the most difficult and dangerous situations. With their expertise, determination, and courage, they successfully resolve the crisis and bring the hostage situation to a peaceful conclusion.

Overall, CSI: NY season 4 episode 21 is a thrilling and suspenseful episode that showcases the skills and dedication of the CSI team, even in the face of extreme danger and adversities. It is a must-see for fans of crime dramas and those who enjoy high-stakes action and suspense.