The twelve-year-old prince's fate completely changed due to a fire - he was demoted to the Nanling Valley and "cannot return to the capital unless summoned." Five years later, a military defeat with many mistakes made him understand that only by returning to the prosperous capital can all doubts be solved and all grievances washed away. So he and the heroine used each other to find ways to return to Shengdu, overturning the chess game step by step...
