Edward Sterling transmigrates into Grandhaven as the mischievous 8-year-old crown prince. The king hears Edward's inner voice and, impressed, sends him to battle the Northern Tribes. Using his modern knowledge, Edward achieves victory, gaining the king's trust and securing his position as crown prince.
Eleanor Sinclair, a top-tier modern military doctor, wakes up in the body of a scorned noble girl—then gets forced into marrying Henry York, a comatose prince. With a secret space, Eleanor crushes scheming servants, straightens out Henry's manor, heals Henry, and fights back against anyone who dares cross them.