The three brothers and sisters Lan Qiao are heroic orphans. They grew up through hardships and hardships, and persisted in their parents' charity work of raising the children of prisoners during their lifetime. As a nurse, Lan Qiao and the doctor Gong Zhengze knew each other, fell in love and promised each other, saving lives and healing the wounded together, and living a sweet life together... There are also some young people in the story, each of whom has his own love and life... Youth is the companion, and everyone jointly creates the value of youthful life...