A story revolving around an engineer who is motivated by family as he infiltrates a large crime syndicate in the Golden Triangle. Lu Yun Peng (Yu He Wei) is a college professor with a high IQ and high credentials. His older brother, a cop, is killed while working on a case and his nephew also became a target of the drug ring. In order to take revenge, Li Yun Peng sets his own plans in motion. His brother's colleague, Jiang Ya Nan, tries to talk him out of it but he refuses to listen. Yun Peng crosses paths with a drug trafficker named Yin Ta and devises a way to become his savior. The move pays off as Yin Ta is revealed to have connections with a drug lord which gains Yun Peng entry into the Golden Triangle. At the same time, Jiang Ya Nan is sent on a mission to bring down the criminals.