Naraku has sucked the IY gang into a vortex, including Rin and Sesshomaru, and are being transported throughout the animes on Cartoon Network...until they make a deal with Naraku...

Inuyasha is somehow trapped in some kind of research lab in the modern era where Torturous tests are conducted on him to figure out what he is and for other, darker reasons. He comes to some realizations about himself and Kagome while trapped.