Valancy lives a drab life with her overbearing mother and prying aunt. Then a shocking diagnosis from Dr. Trent prompts her to make a fresh start. For the first time, she does and says exactly what she feels. As she expands her limited horizons, Valancy undergoes a transformation, discovering a new world of love and happiness. One of Lucy Maud Montgomery's only novels intended for an adult audience, The Blue Castle is filled with humour and romance.
When Valancy learns she has a terminal illness, she decides to shock her relatives and change her life.