Betsy had always wanted to follow in her father's footsteps and took the opportunity to leave Grimsby and do her nursing training in London. The Second World War erupts around her as the Blitz becomes a common and deadly daily occurrence. During an air raid, Betsy meets Jerry, an American flying with the Canadian Air Force, and so begins a "first love" for both of them. With each day bringing the possibility of life or death, their love eased the fear of the war that raged around them. It also brought unexpected consequences, both terrible, glorious and mysterious.