Wuyou City is an ownerless city, surrounded by three countries, the Central Plains Song State, the Grassland Desert State, and the small southwestern country Tianzhao. This is a paradise of freedom. Because there are no legal restrictions, Wuyou City has become a gathering place for heroes, bandits and massacres. It is also located at the junction of the Three Kingdoms. Rich businessmen from the three countries also gather here to do business of buying low and selling high. Although Wuyou City is small, there are many people with extremely extraordinary backgrounds hidden in the city. The Seventh Young Master is one of them. He was originally the seventh prince of Nanzhao, but when he was young, he did not know how to enjoy the benefits of this special status. When he was receiving endless honors, his uncle and ministers rebelled and murdered his father and six brothers. Fortunately, the young seventh son escaped to Wuyou City under the rescue of his guards, where he survived anonymously. When he grew up, like many people in Wuyou City, he became a ranger and made a living by following the caravan to return goods to the desert country. He has been trying hard to remind himself that he is just an ordinary ranger, living a life of licking blood all day long, and he tries his best not to think about the nightmare memories in the past. But one time, on their way back to Wuyou City, he and the caravan accidentally rescued Qin Yushang, a woman who turned out to be a real person. The clinker incident actually caused an uproar. Xiao Tiantang, the most mysterious force in Wuyou City, issued a gold reward and kill book to the seven masters of Wuyou City. Then the Seventh Young Master received news that Qingfeng Jiange, a famous sword sect in the Central Plains, sent six masters to Wuyou City all the way through mountains and rivers. Princess Qingqing of the Grassland Desert Country...