Gao Ni (Cho Seung-woo), who works hard to earn money, has a low salary, but he is unwilling to be poor because of his strong personality. One day, he lost all his money and found that he was fooled by a con man. Angry, he went to argue and met the con man master Ping Jingchang (Baek Run-sik). In order to learn superb gambling skills, Gao Ni tried his best to worship Ping Jingchang as a teacher and promised to wash his hands after winning back a certain amount. Finally, after Gao Ni came out of the mountain, he began his career as a con man. At first, he wanted to win back the lost money, but human desire is endless. He broke the promise he made at the beginning. At the same time, his excellent gambling skills attracted the appreciation of the beautiful lady Zheng Boss (Kim Hye-soo), and he began to cooperate with another con man. In round after round of gambling, Gao Ni ushered in a battle of life and death.