A delivery driver dies in a crash and wakes up as the worst-reputed, gambling-ruined marquis in a faraway empire, his estate in ruins. Just then, a disgraced general’s family arrives seeking shelter, including a fierce young woman, a calm elder sister in law and his gentle fiancee. Under crushing debt, a favor system awakens in his mind. With modern knowledge, soap making and bold deals, he rebuilds his house and uncovers a deadly conspiracy.
