In Shanghai on the eve of the Songhu Battle in 1937, Qi Sheng, the leader of the Ax Gang, and Gu Shiyue, the leader of the Qingyi Society, were mortal enemies who occupied the docks and concessions. Qi Sheng is as brave as fire, and the scar on his brow is like the mountains and rivers carved out of the dock; Gu Shiyue is as cold as ice, and the white roses on the lapels of his suit hide murderous intent. The two fought against each other for the territory, and the Huangpu River was stained with blood. Until the shadow of the Japanese bomber tore through the sky, Qi Sheng's ax hung three inches in front of Gu Shiyue's throat, but Gu Shiyue's gun was pointed at the enemy plane - the iron hooves of the foreign enemy crushed the private hatred.
At the hypocritical banquet of the "Co-Prosperity Chamber of Commerce", Major Takeuchi watched with disdain as the two men drew guns and faced off for the position of president. At the moment of the gunshot, no one noticed that the two bullets tacitly deviated from each other's hearts. When Takeuchi took innocent people as hostages and forced them to kill each other, Qi Sheng's giant ax broke the prison chains, while Gu Shiyue's white rose turned into a poisonous thorn and sank into Takeuchi's throat with precision. Blood-stained petals fell on the upper bay of the map, and in the sunlight streaming from the warehouse skylight, the two blood-stained shadows finally merged into one.
The Alliance of Shadows quietly spins its web. Qi Sheng's dock brothers and Gu Shiyue's dance hall spies broke into pieces and infiltrated the market. They robbed arms, destroyed drug nests, and delivered hope under the eyes of the Japanese army. However, the new super high school chief Akira Takahashi, a smiling tiger who is more sinister than Takeuchi, accurately sows the poisonous seeds of suspicion. The alienation plan caused Qi Sheng to witness his brother in jail and his property sealed, but Gu Shiyue seemed to be in secret with Chongqing. When trust is on the verge of collapse, a piece of top-secret intelligence from the codename "Night Owl" becomes a turning point - the Japanese military's bacteriological weapons plan is shocking. The two join forces again...
