As WWII rolls across Europe, Kitty boards a ship set for England. Money is what she really needs right now, especially with tiny baby Billy back in Dublin. In Lancashire, Kitty settles into the hard work and soon makes new friends, playing in the Bomb Girls Swing Band by night. Life seems to be looking up. But when a letter arrives from home, she realises she might need her friends' help before it's too late and she loses her baby forever...