Step into the shoes of a sarcastic, sharp-witted heart-transplant surgeon named Dr. Alexis Kahn, who discovers a sinister conspiracy while juggling the medical complexities of her patients' lives. Each heart she receives comes with its own tangled history and emotional baggage, as patients send her letters detailing their quirks and existential regrets. As she navigates her ethically challenging profession, Alexis must solve the riddle of a patient’s mysterious death, where the answers lie within the hearts of those she saved — literally and metaphorically. Shape their destinies through difficult choices, solve dramatic mysteries, and unearth secrets, all while trying to maintain your own sanity in the chaos of the operating room and your own heart's desires.