An American pilot, running from his abusive father, signs up to fight for the Royal Air Force during the Battle of Britain.

You are welcome. Good luck.

Ah yes, I think it needs it. Will thrash out this concept some more! Thank you!

Hi WARRIN88,

Escaping his bitter past, an American pilot joins the British air force to fight the enemy during WWII / during the Battle of Britain, ...

Does the above logline continue with a BUT?

I hope this helps.