In 1982, Lin Mo, whose family was destitute, was admitted to the county high school, but faced dropping out due to a tuition fee short of ten yuan. Just as Lin Mo thought of listening to his second uncle's advice to go to the city as a bricklayer, his junior high school classmate Chen Xiao lent Lin Mo the ten yuan she had saved for a long time, and Lin Mo gave the stone pendant left to him by his mother to Chen Xiao as collateral, promising to return it a hundredfold in the future. However, as Chen Xiao followed her parents to study in the provincial capital, the two completely lost contact, until fifteen years later, Lin Mo, who had become an entrepreneur, returned to his hometown to invest, only to meet a beggar collapsed in the middle of the road halfway, and a redemption spanning fifteen years thus unfolds.