During the Great Zhou Dynasty, the political landscape was in turmoil, with treacherous officials holding sway. The Buliangren—a clandestine assassination organization serving the Emperor directly—was suddenly left leaderless overnight, as their commander, Yuan Tiangang, resigned his post and departed, leaving behind only a farewell letter. Adrift and without a clear path forward, Yuan Tiangang followed the guidance found in a sealed pouch left by his close friend, Li Chunfeng, which led him to the Anle Pavilion in Chang'an—only to discover, to his surprise, that it was a house of pleasure. As various figures—those seeking freedom, those pursuing immortality, and those hungering for power—began to emerge, a new chapter in Yuan Tiangang’s journey unfolded...