While duck hunting one morning, childless, middle-aged Nathan McCann finds a newborn abandoned in the woods. To his shock, the child--wrapped in a sweater and wearing a tiny knitted hat--is still alive. To his wife's shock, Nathan wants to adopt the boy...but the child's grandmother steps in. Nathan makes her promise, however, that one day she'll bring the boy to meet him so he can reveal that he was the one who rescued him.

"Itsuki locks the others away in a separate dimension so Yusuke and Sensui can fight undisturbed. Under intense pressure, Sensui's real personality, suppressed for so long, starts to come out. Then Koenma shows up and things really start to get hot, forcing Yusuke to resort to desperate measures to draw their enemies out. Kuwabara and the rest of the crew escape Itsuki's clutches and plunge into the Demon Plane after Sensui. Meanwhile, the Underworld...