Cassandra is a melancholy girl with beautiful long hair. She has always insisted on writing and dreams of becoming a writer one day. But their family was regarded as weird in the local area, living in a dilapidated castle, and living a life almost isolated from the world. Cassandra's fatherhas successfully completed his first novel, but he has never written anything in the 12 years since then. He has always been troubled by this. Seeing that his daughter Kasandra loves writing so much, he is very supportive and hopes that her daughter can give full play to her own writing talents.
In addition to her father andthere is also's stepmotherin the family. She is a gypsy who likes to be naked and has no intention of managing the house. Cassandra also has a beautiful sister Rose. She is innocent and cute, and loves her sister in her heart. Faced with the hardships of life, she becomes complaining about the injustice of life.
One day, the American owner of this castle returned. They were two brothers of the Cotton family: Simonand Neal. The Cotton brothers have American optimism and humor. They are full of passion and joy. At first, the Cassandra sisters hated the two brothers, but later, Rose fell in love with Simon and was immersed in love.
Soon, Simon and Rose were about to get married. Cassandra's family and the Cotton brothers' mother were very happy about the wedding, and the wedding was held as scheduled. Cassandra, who was left out in the cold, fell into trouble. Looking at the happy sister, she felt very uncomfortable. It turned out that she also fell in love with Simon unknowingly. But what she didn't know was that Simon's brother Neil fell in love with Rose, and the four of them fell into a four-cornered love vortex.
Surprise and then lonely, lonely and then desolate. Fall in love, lost, missed, and the autumn is full of wind. In a beautiful and refreshing dusk, Cassandra walked up to the castle alone, sat quietly on the wall, and wrote down the story. Years later, the story became a thing of the past and became the "secret castle" of the beautiful and melancholy long-haired girl Kasandra. The wind is still so clear; the clouds are still so light, only Kasandola has become rich and mature, hiding the disappearing girlish sorrows.