Sixth Year and Hermione Granger is assiduously researching Horcruxes, Harry Potter is obsessed by Draco Malfoy, Ronald Weasley is ... well, Ron is being Ron. Their story, however, gets disrupted by the arrival at Hogwarts of a mysterious transfer student joining the Slytherins in early March 1997.

Hermione was found abandoned in a grange twenty-one years ago in the hamlet of Elston, Wiltshire. Young Master Draco Malfoy is just back home from his Grand Tour, most displeased with the situation he finds at his ancestral home. The approaching storm will bring them together, but what will be left in its track?

Self-assured matchmaker and Wizarding London's most exclusive personal consultant, Draco Malfoy guarantees his clients can get the one person they most desire if they follow his advice to the letter. However when he reconnects with Hermione Granger, he will learn that his own advice isn't as infallible as he assumed. These Gryffindors were supposed to be easy to read, weren't they?