The isolated Islanders, resistant of all newcomers, have always governed by the Teaching in the Book which has been orally passed down for generations. One day they find out, from one who reads, the real and astonishing story in the book.
In the summer of 1939 a sixteen-year-old boy and girl considered the "perfect couple" by their families secretly begin seeing and falling in love with another girl and boy.
Sixteen-year-old Alan, friendless and unhappy after moving to a small English village, falls in love with his twenty-three-year-old tutor whose presence causes problems for Alan and his parents.