Plot summary

In the turn of the Twentieth Century in Buffalo, New York, the aspiring writer Edith Cushing is the daughter of the wealthy entrepreneur Carter Cushing. Edith saw the ghost of her mother that warned her to beware of Crimson Peak when she was a child and presently she is writing a ghost story. Now she is visiting a publisher that is friend of her father and she stumbles upon her childhood friend, the ophthalmologist Dr. Alan McMichael, who has returned from overseas and is opening an office in the same building. Out of the blue, she meets the English baronet Sir Thomas Sharpe, who has come to Buffalo with his sister Lucille Sharpe to seek investors to his machine that operates with clay. He has a meeting with Carter Crushing and other businessmen, but Carter refuses to invest in his invention. During the night, the ghost of Edith's mother visits her and warns Edith again to beware of Crimson Peak. Soon Thomas seduces Edith and Carter hires a private detective to investigate the lives of Thomas and Lucille. A couple of days later, the detective brings a report to Carter disclosing dark secrets from the past of the siblings. Carter pays a large amount to Thomas to end his relationship with Edith but he is brutally murdered. Thomas explains to Edith his attitude and they get married and travel to England to live in his derelict mansion over a red clay mine at Allerdale Hall with Lucille. Edith starts to see a red ghost and discovers that an Italian woman has sent a letter to him. Then she becomes weak and coughs blood. What is happening to Edith and what is the mystery of Allerdale Hall and the siblings Sharpe?—Claudio Carvalho, Rio de Janeiro, Brazil