At the end of the Sui Dynasty, the world was in chaos. On March 10, the 14th year of Daye, there was a mutiny in Jiangdu, Emperor Yang died, and the mythical beast Kui Niu had no owner. Rebels and local forces from all walks of life moved to Jiangdu in search of the legendary sword that can suppress Kui Niu. The scholar went to Jiangdu to take the exam, but by mistake, he came to the mysterious Chuankou Station "Cao Xingdu". In the small inn, there are not only ambitious but scattered storytellers like him, but also beautiful mute women who are weak and mysterious, as well as free and easy knights who seem unreliable. There are two peerless masters hidden in the crowd. , one is the last "sword guard" of the Sui Dynasty, and the other is the invincible warrior under the Tang Dynasty. The whole inn is full of confusion as to whether it is an enemy or a friend. The remaining people need to temporarily put aside their disputes, work together to subdue the monsters, and live to see the sun tomorrow.