Miss Situ Xiu is a unique character, being the granddaughter of the general in Xia Kingdom, with a frail and timid disposition, and a stutter. Her twin brother, who was promoted as a young general, fled suddenly, leaving her unaware of the circumstances. The emperor, unaware of the situation, commands her brother to defend the borders against invaders. To comply with the royal decree, Miss Situ disguises herself as her brother and embarks on a journey to fight against the God of War of Cha Kingdom.
