The story is based on the real case of the “Guangdong Extraordinary Anti-drug Case”-the “GG Project” that shocked the whole country. The international drug dealers represented by Jin Ye launched a fierce battle, and finally won the heroic anti-drug deeds of victory.

There is a giant sinkhole in Guangxi called the Eye of the Underworld. According to folklore, it is the door to the Yin and Yang Realms. What's more, it is rumored that the ancient book "Long Guan Lu" containing strange recipes from past dynasties is hidden in the tiankeng. Ten years ago, during an expedition to the Eye of the Underworld, the entire expedition team headed by exploration expert Zhang Xiaotian died here. Ten years later, Zhang Xiaotian’s son Zhang Feng received a special express delivery, and the story unfolded...