Ghost of Siberia. The Jade Scorpion, #6

In Novosibirsk, elite operative Ji-Yeon infiltrates a secret facility and uncovers "Iron Fist, " a covert satellite weapons system capable of undetectable global strikes. After securing the data, she's exposed and fights through waves of ???????, escaping into the Siberian tundra despite severe injuries. Hunted by soldiers and helicopters, she's ultimately captured and taken to Gulag-14. There, isolated in brutal conditions, she endures cold, pain, and interrogation without breaking.
Even in captivity, Ji-Yeon remains mentally sharp, studying guard patterns and weaknesses. Though imprisoned, she begins planning her escape, determined to survive and deliver the intelligence.