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So Yeon, a teenager from a happy home, goes fishing one day with her father in the South Pacific Ocean and faces an accident. She is lost at sea with her pet dog, Happy and ends up in a deserted island. She believes her father will come and save her there and survives in the wilderness of the island. One day, a mass crowd of cannibals appear in the jungle and try to hurt the natives there but So Yeon saves them and they become friends. However, she can't shake off the feeling that someone is watching her.

Donghak Rebellion (Donghak Peasant Movement) takes place in Hongjuseong (now Hongseong). Manhae, a boy who participates in the Donghak Rebellion as a 16-year-old, steals 1,000 nyang and sends it to military funds. At the age of 55, at Simujang in Seongbuk-dong, Manhae remarried while staying in a boarding house. While making a living by sewing his wife's wages, Manhae continues to resist Japanese imperialism by participating in the movement against the name change of the Chang clan and against the dispatch of Korean student soldiers along with writing. He takes over the military funds from Madam Baekhwa of Myeongwol in Yongjing. Lee Hwa-yeong hands over the military funds with Man-hae. In 1944, Manhae passed away at the age of 66. As the poem "Your Silence" flows, Manhae's achievements are introduced as highlights, and his subtitles flow.