The story begins with a history of over 20 years in Lau Pa Sat, the fruit of Wu Qishan (Tay Ping Hui) looks like an ordinary guy, but his math is very good, fruit prices never wrong, what calculation difficulties have not beat him, pasar people call him 573. Qi Shan will come to his mother Shi Sanmei (Xiang Yun) to help the vegetable stall, but Shi Sanmei is ignored him. Originally, Qi Shan in the financial company as a vocational college, 30 year old cut a striking figure in the industry. Qi Shan after the establishment of investment companies, once an investment project, pull a lot of customers investment, but also lack of 500000. Go back to find his parents, parents to mortgage the house to lend him money, but Wu dad and Shi Sanmei against. Due to Qi Mountain is very sure of herself, cheat Wu dad signed mortgage the house file, use the money to invest. Unexpectedly, Qi Shan everything done, but not to the partner of the company, his girlfriend Lu Huiting (Pan Shuqin) will Juankuan money. Qi Shan owed $two million debt, not only ruin, still in jail. Wu dad know the house was mortgaged to blow, attack to the hospital died. Shi Sanmei so on Qi Mountain is not very understanding. Qi Shan was released from prison after find Shi Sanmei, but was thrown out. Pasar chicken King's son Wang Lian (Zhang Yaodong), because it is the Qi Shan's good friend, so take him.