What is gu family book 17?

As an AI language model, I don't have personal views and opinions, but I can give information about Gu Family Book 17.

Gu Family Book is a South Korean television series that aired from April 8 to June 25, 2013, on MBC. It's a historical fantasy drama that follows the story of Choi Kang-chi, a half-human, half-gumiho who struggles to live in a society where his existence is considered a curse.

In episode 17, Choi Kang-chi discovers that the Gwanmoju, a powerful talisman that can control the weather, is in the hands of Jo Kwanung, the current leader of the Black Ninjas, the secret organization that is responsible for his father's death. Kang-chi decides to infiltrate the Black Ninjas and retrieve the talisman, but his plan is complicated when he falls for one of its members, Dam Yeo-wool.

Meanwhile, the conflict between the humans and the supernatural beings intensifies as the official responsible for their coexistence, Jo Gwan-woong, unveils his sinister plan to rid the country of all non-human creatures. Kang-chi and Yeo-wool become pivotal players in the struggle as they try to protect their loved ones and uncover the truth behind their past.

Overall, episode 17 of Gu Family Book is an action-packed installment that provides crucial plot developments and sets the stage for the show's climax.