During the Shaoxing period of the Southern Song Dynasty, Wa Shi Lane in Lin'an Prefecture.
Ma Ping'an, a twenty-eight-year-old modern chemical engineer, died suddenly after staying up late and working overtime. When he woke up, he found that he had become a poor man in Lin'an Prefecture in the Southern Song Dynasty. Ma Erlang, nineteen years old, both his parents died, the oil mill closed down, he owed usury 72 yuan, and was blocked at home by gangsters, with only three days left.
Facing the dilapidated house with bare walls, mountains of oil residue, and Scar Li who will come to collect the debt in three days, Ma Pingan has no time to lament. He squatted in the yard, looking at the stinky pile of oil residue, with a fire of hope in his eyes...
