Carrie's War (1974)

Carrie and Nick Willow have been sent to the countryside and are taken in by the Evanses with their Auntie Lou and the scary Mr. Evans. The Willows are quite happy there. They like to go to visit their friend Albert Sandwich and his guardians Hephzibah, Mr. Jonny, and the Evans's sister, who no one sees. Everything is well until Carrie makes her worst choice ever.