Cardiac surgeon Tori Taylor receives a heart transplant after a sudden medical crisis. She has built her life around control, achievement and emotional distance, but after surgery she begins experiencing unfamiliar feelings and changes that challenge her understanding of identity. Christian, a fellow doctor, becomes part of her recovery while questions about the donor and the transplanted heart draw Tori toward truths she has resisted. Medical danger, faith and personal relationships converge as her new heart forces her to reconsider the life she saved, the person she has been and the possibility of spiritual transformation.