A top modern military doctor transmigrates to ancient times. Bedridden, her family finds Xavier Shaw, a lame man, to marry her. She has a portable medical space and sees he is a displaced marquis hiding his identity. Afraid of court disputes, she keeps her distance. But when she saves his young son, feelings grow. When unrest calms, they meet in the Imperial Capital. Xavier Shaw risks his life to protect her during a crisis, and they finally grow close and stay together.