Hermione Granger never knew what drew her to Harry in the first place. She was a straight arrow, He was a troublemaker, and under most circumstances, they would never get along. Go through fifth year, and for some their last, as they battle to save Harry.
Post GoF and Harry's back with the Drusely's. Summer before 5th year, Harry has to deal with the most unlikely of guests from Hogwarts. H/Pansy