For more than ten years, an extremely poor farmer couple has put up with hardships and frugal food and clothing, and has not hesitated to raise debts to send their daughter to a key university in the country. University four years, sensible daughter exceptionally diligent, when she graduated, she was admitted to the school's graduate student with excellent results. Unexpectedly, this enviable good thing has become an excuse for parents to Sue their daughter for "unfilial piety"
