Months after Inara leaves Serenity, Mal and the crew finally learn the reason for her sudden departure: she is dying of a terminal illness. It is Kiehl's Myeloma, a form of cancer that's supposedly incurable, and Inara has very little time left. Through their shock and despair, rumors of a cure reach the crew. Expert Esau Weng is said to have developed a means to treat Inara's condition, but he has been disgraced and incarcerated for life on a notorious...