Fiona Ulman, a rural janitor, unexpectedly won a billion lottery. Overjoyed, she went to the city intending to give the money to her son, Shaun Ulman. However, she was subjected to relentless humiliation from her daughter-in-law and in-law. Her son also scorned her, drove her away, and disowned her, severing their mother-son relationship. But when they learned that Fiona had won the billion grand prize, her son and daughter-in-law's family were filled with immense regret -though it was already too late.