Xiao Feng is the Deputy Chief Physician of the Cardiology Department at Dongli Hospital. He is introverted and strict. He becomes work partners with the impulsive doctor Lin Yi, yet friction arises due to the differences in their medical beliefs. Meanwhile, Xiao Feng's younger sister also gets a job working as a doctor at the Intensive Care Unit.

Zhang Guimei, a middle school teacher in China's western mountains, was determined to help girls escape the cycle of poverty after seeing many drop out due to financial struggles. She founded a free high school for girls, providing them with the opportunity for education and a better future. Despite ongoing challenges, her efforts continue to bring hope to girls from the mountains.

Haunted by a childhood tragedy, Xia Xiaoduo is unexpectedly transported back to 2002, where she meets university archery captain Wu You. As they use their ability to foresee future events to prevent tragedies, they uncover a mystery that connects their lives across time.

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