Anne Shirley, who is now 18, decides to remain at Green Gables and becomes a teacher at Avonlea School, putting aside her wish to become a writer to help old Marilla out. She attends her best friend Diana's wedding acting as her maid of honor, but she refuses a marriage proposal from Gilbert. Anne accepts to teach at Kingsport Ladies' College, a private and exclusive school where she'll live through challenging situations which will make her realize that she might be missing on her true happiness back at home. In the end, she returns decided to win Gilbert back (thetvdb.com)