Soh-yon is executed by the way of the Tohda after the Duke's Kiba mysteriously die. Erin jumps into a lake full of Tohda in an attempt to save her bleeding mother, but her mother has her whisked away to safety while she is eaten alive to atone for her sins.
キバを死なせた罪で、ソヨンが監察官に連れていかれてしまった。エリンはサジュの家に預けられ、ソヨンが帰ってくるのを待っていた。そんなある夜、エリンはソヨンがラゴウの沼で闘蛇の裁きにかけられると聞く。