Everyone besides Inuyasha is trapped inside poisonous cacoons. Inuyasha destroys the moth demon. But can't free everyone else. This episode shows how much Inuyasha ties the group together. Everyone brakes free by remembering Inuyasha in one way.
Miroku has memories of how he was saved from a snowstorm by a strange woman. Miroku later disappears and the other guys look everywhere for him. They fight the ice demon who had layed a spell on Mikoru and free him.
Inuyasha and co. meet up with Ayame who is injured and she tells them that Koga has gone after a Zombie that's been attacking the Northern Wolf Tribes. Kagome and co. hurry to find Koga. Meanwhile, Koga has found the zombie who is called Kyokotsu (see Shichinintai), and is a reall nice fight with him. Kyokotsu's got a big chain with a ball on the end that he swings around. Koga defeats him and takes the jewel shard from Kyokotsu's forehead. Kyokotsu evaporates into only a skeleton. Koga goes home with a new jewel shard for his arm.