Kua Xiaoyan is young. Which episode was saved?

Episode 7. In the TV series "Ode to Youth", Xiao Yan was rescued in the seventh episode. The police soon took control of Xiao Yan's adoptive parents, and let Xiao Lei leave with the children first. "Ode to Youth" tells the story of post-80s college graduates Hu, Xu Chuan and others who grew up in society after leaving campus.