Cabin fever

Samuel was a 12, almost 13 year old orphan from England. When a lovely couple from America decided to adopt him, seeking to add to their family Sam travels across the sea on a plane to meet his new family. New school, friends and interests await him at the Birches

(The start of this story takes place during the small break after season 3 ep 2 and the end of the story is the end of season 3)