The Blue Castle

Hua Lanqian is an unmarried girl who looks ordinary, unpopular, useless and suffers from heart disease. She has been suffering from various criticisms and difficulties from relatives and friends and has no future of her own. Blue Castle, Hua Lanqian's secret castle, is her spiritual habitat carrying dreams and fantasies. However, the arrival of a letter has completely changed Hua Lanqian's life...