Still persevering with her quest to be reunited with her sister, Isabellae Ashiwara has taken to the raging seas in pursuit of the ship aboard which she thinks she might find Suiko. But, what with the very real dangers of the present and the increasingly oppressive ghosts of the past, Isabellae begins to doubt everything she once thought she knew. It's high time the dead went back to where they belong, once and for all!