Lin Mo, a modern-day wealthy young master, transmigrates into the body of a penniless pauper in ancient times and is immediately pressured by local bullies to repay debts. Using his modern knowledge, he creates miraculous soap in just three days, then introduces glass mirrors and perfume. Through a membership system and franchise chains, he rises to become a business tycoon and falls in love with Su Wanqing, an embroiderer. At the height of his success, powerful nobles from the capital take his beloved hostage to seize his businesses. Without hesitation, he signs the transfer deed, giving away his entire fortune to save the woman he loves. Starting from zero overnight, he sets out to rebuild everything with his beloved and his brothers, smiling as he prepares to begin again.