Finding a lead on one of the Horcruxes has lead Harry back to the Ministry and need to go back to the room in which Sirius had died. Behind the veil reveals something that could change the outcome of the war between Harry and Voldemort.

Digimon and humans are at war. A public, global war and at the 10th anniversary at the start of it all, a teenage Takeru Takaishi starts an important journey that will force him to choose between what is expected of him, and what he feels is right. Trusting in his friends, he and the others will try and change the future.