Zhang Nan (Cao Jun), a graduate of a master's degree, was forced to give up the good development prospects in the big city because his mother was suffering from cancer. He returned to Baiguo Village, where he was born and raised, with a heavy ideological burden, to serve as the team leader. After three years of poverty alleviation work, Zhang Nan's unyielding character contributed a lot to the poverty alleviation work, and also untied the knot in his childhood and understood the mystery of poverty alleviation work.