Star Trek: Hidden Frontier S04 E02 Piracy of the Noble

While enroute to diplomatic negotiations on DS9, Admiral Nechayev and her away team of Excelsior personnel are kidnapped by pirates commanded by rogue Starfleet officer, onboard a stolen Federation starship. Meanwhile, Captain Shelby takes the Excelsior to assist the Cardassians in identifying where the pirates work from, as tensions with the Son'a increase.