The falling action is upsetting. Their mom comes for them. She is not concerned for their safety. She didn't want to pay the 19 shillings. She wanted them back so she wouldn't have to pay for them.
Symbol one is Ada on Butter, the horse, It shows how Ada enjoys riding him. Symbol two is the planes, which represent WW2. Symbol three is butter. He is how Ada found peace during the war. Symbol four is when Butter and Ada meet.
The resolution is unexpected. Ada and Jamie find out how their father died and it turned out Ada was 12 and Jamie was 7. When their mom explains she never wanted them, leaves them to die from the bombs. When Susan finds them from the bomb the go home