"Argent and Princess Primula have both experienced tears through the poisoning of the heart as well as the body. Now the shadows of the past come back to haunt Argent. Soda, the boy who desperately wants to become an apprentice, brings in an old woman for treatment. Argent's healing skills are challenged as he struggles to save her from a poisonous fat. Will past tragedies repeat themselves?" -- from publisher's web site.