During a fire in the girls school dorm, Ji Yanling fell down the stairs and woke up in a different world. Taking up the body of the cruel princess (Du LingSha), her father, the king, sent her to Heavenly Cloud Mountains to be disciplined. There she meets the cold and strict master Feng MoBai. While trying to stay invisible, problems between the immortals and the demons arise and Yanling is caught in the midst of it. Will she find out why she entered this world? How will she get back?