Wang Haohan, a horse-raising servant, was imprisoned because his master was wrongly implicated. During his escape from prison, he accidentally escaped by borrowing the identity of Yao Yuan, a general guarding the border. In order to save her father, Wang Wan'er asked Wang Haohan to impersonate the versatile Yao Yuan to get a gold medal of immunity from death. As a result, the young Wang Haohan was involved in a bigger conspiracy.