Guardians of the Ancient Oath.

During the Wei and Jin Dynasties, the Yan State faces political turmoil, leading to the downfall of the Duke of Zhen’s family. Murong Yan fakes his death to reclaim power, Murong Chen trains to destroy demons for revenge, and Murong Yi, cast out to the Wolf Tribe, transforms into one. As the three siblings are entangled in war and vengeance, they uncover a thousand-year-old conspiracy that could change their fate.