[Dual male leads x political intrigue x mystery x ensemble cast x historical setting]
During the Yong'an era of the Great Zhou, five young martial artists, each with extraordinary skills, meet by chance in Jinxi Town, Jiangnan, and join forces to investigate a series of bizarre incidents. As their investigation deepens, they discover that they have been drawn into a vast whirlpool involving royal secrets, feuds in the martial world, and conspiracies at court. The mystery surrounding Ji Shifei, the orphaned son of the crown prince; the rebellion plotted by the Five Poisons Sect and the Marquis of Jinghai; and the truth behind the "Hidden Dragon" plan gradually come to light. The five martial artists, each with a very different personality, go from strangers thrown together to companions willing to share life and death. Amid shifting dangers and intrigue, they each put their skills to use, ultimately crushing the rebellion and upholding justice. This is a passionate tale of identity and duty, hatred and forgiveness, personal feelings and the greater good of the nation.