After failing the protection mission of the Hundred Flower Crown, the Chinese special forces soldier Cheng Gang not only lost contact with his superiors, but was even listed as a wanted criminal for stealing the Hundred Flower Crown. He disguises as Zhang Cheng and joins a drug cartel called Huaxing in Thailand with his new identity. Although Zhang Cheng didn't get the consent of his superiors, he still took the huge risk to go undercover alone, lurking in Huaxing...