For the Sake of Our Children

Yang Fang Yu, Ryo's former mercenary teammate, now runs an orphanage for children whose parents were killed in war zones. She asks Ryo for help to develop a vaccine for a deadly virus which an organization has developed for warfare, of which she has a sample. Meanwhile she has kidnapped twelve researchers and is now seeking funding to develop a vaccine. Her plan is to free the arrested son of an oil tycoon from prison who will pay highly to save his family's embarrassment. They burst into the prison, but Fang Yu takes a dislike to the tycoon's spoiled son, and leaves him there. Meanwhile, the organization raids her headquarters and kidnaps the researchers.

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S01E45 - Human Nuclear Warhead, Yang