Camila paced the length of her mother's study, a room that remained untouched since that fateful day. The mahogany shelves brimmed with medical texts and journals, remnants of her mother's passion for health and wellness. It was this very passion that made her sudden organ failure seem all the more implausible.

　　"Healthy as an ox," she muttered to herself, echoing the words her mother would use to describe her own state of being. The irony wasn't lost on Camila; it twisted ...