When the homeless Jade is captured and mistreated by the henchmen of the cruel Queen Scylla after a failed theft, she believes her existence is over. Left half-dead in the forests inhabited by dangerous creatures, she decides to end her life. But Indigo, a mysterious vagabond, seems to have been waiting just for her. He saves Jade's life and forces her to embark on a long journey by his side. A journey full of deadly dangers, the meaning and destination of which she does not know. A thousand secrets surround Indigo, and countless enemies are on his trail. Each day and night make Jade's traveling companion even more enigmatic, but she is determined to uncover the truth about him.