Plot summary

The film begins during WWII in 1941, with Alan Alexander Milne - nicknamed "Blue" by his friends and family - and his wife Daphne receiving a distressing telegram at their home. It then changes time frame to 1916 during WWI with Blue fighting in the Battle of the Somme. He resumes his life with Daphne in England while suffering shell shock of occasional flashbacks to his battle experiences, and having a child with Daphne. She was hoping for a girl and is disappointed to instead have a son, whom they name Christopher Robin Milne but generally call "Billy Moon". They hire a nanny, Olive, whom Billy calls "Nou". Blue is having difficulty resuming his writing - he wants to draft a compelling treatise against war - and relocates the family to a house in the country with wooded acreage. Daphne resents the move and returns to London for an extended period. During that time, Olive goes to care for her dying mother and the cook takes some time off, leaving Blue and Billy to fend for themselves. Reluctantly at first, Blue takes Billy along on walks in the woods and begins making up stories about the boy's adventures with the stuffed animals the parents have bought for him..