Book Two of the Heritage Series: Harry enters his Sixth-Year while the country is at war with Voldemort and his Death Eaters. Seeking new allies abroad, Lord Black creates the Triwizard Exchange and Harry leads a team of students to Beauxbatons and Durmstrang. But an older enemy resurfaces in Europe and a long-forgotten piece of history is at the centre of it all.

Sirius decides to stay in England after escaping Hogwarts and makes protecting Harry his priority. AU GOF.