Mr. and Mrs. Luo are addicted to gambling, but their luck is not good and always lose money. They see their gambling friend 'Snake boy' suddenly becomes rich, and they find out that the luck of "Snake boy" is depended on the ghost, however, his life time will be reduced. Mr. And Mrs. Luo therefore invite a female ghost Liang to help them to win money, but there is a condition, they must spend all the money they win in a day, otherwise, one of them will be killed, then they win everytime. Unfortunately, one day, Mr. Luo leaves a dollar...