Bai Yongqi (played by Jin Laiyuan) and Jin Zhongda (played by Lee Minho), this pair of fallen brothers, have nowhere to go. By chance, they help the gang in a fight, and Zhongda, skilled in combat, earns the recognition of the boss Jiang Jixiu. To ensure his livelihood, he decisively becomes Jiang's disciple. However, the unpredictability of life strikes when Jiang, after getting injured, attempts to wash his hands of the underworld and seeks to withdraw but finds himself trapped. Zhongda connects with the influential Madam Min and finds success through real estate deals. Meanwhile, in the initial chaos, Bai Yongqi mistakenly joins a rival gang, and with his fierce determination, he rises to prominence and becomes a formidable force within the gang. During one operation, Zhongda saves the nearly murdered Yongqi from Zhang Decai's men, and the two good brothers are reunited after a long separation. In the 1970s in Korea, the politicians and the underworld colluded to exploit the common people. Amidst the stench of corruption in the world of wealth and fame, the once close brothers Zhongda and Yongqi grow further apart...