Cai Shen was being naughty in heaven and as a punishment, he was sent to Earth to do good deeds for humans. On Earth, he meets Fung, a restaurant owner and his son, Ben. Money God guides Fung to success and his business begins to rise while also helping him fend off loan shark Mo. At the same time, Money God tries to woo Fung's younger sister, Ellen. Later, Mo learns of the Money God and unsuccessfully tries to exploit him. As his popularity spreads across Hong Kong, cops, triads and ghost-busters start trailing the Money God.