Deep in the belly of Baba Yaga castle, Maka, Soul, and Medusa prepare to face Arachne in her own chambers. Arachne has grown stronger since her reawakening, and even the crafty Medusa is caught in her sister's twisted web. As Arachne's powerful new form bears down upon them, Soul must call upon the notes of madness in his own heart before he and his partner are ensnared in the witch's net . . . !