Lu Mianmian, who studied for a master's degree and a Ph. D. In civil engineering, was a rising star in the National Infrastructure Office. Once overworked, Lu Mianmian became the unpopular third daughter of the minister of the Ministry of Industry in the Liang Dynasty... The good news: She has a professional counterpart, and there are many unfinished projects waiting for her to shine. Bad news: Her father has just been imprisoned in Dali Temple for embezzling money to build river embankments, and the whole family is about to go to the northwest to drink. And that "scumbag" river embankment will soon be washed away by a once-in-a-century flood. Lu Mian meninas: "..." Professional counterpart, but a hellish start. In order to fish out her greedy father and save the lives of her family, Lu Mianmian gritted her teeth and unveiled the royal list and issued a military order: In three days, she can strengthen the river embankment and keep the people of the city safe! Everyone thought she was crazy. Ancient people: Little lady, please don't talk nonsense, you can't go against your destiny! Lu Mianmian: Don't talk to me about destiny or Newtonian mechanics. Ancient people: This is the anger of the Water Dragon King! Lu Mianmian: No, this is just fluid mechanics. Give me levers, pulleys, and scaffolding, and I can prevent the sky from tipping over and the ground from collapsing! Later - the people of the Daliang Dynasty discovered that the bridge built by the third lady of the Lu family could not collapse even in an eight-magnitude earthquake; she built the galloping road so that the carriage ran like flying; in the capital she planned, even the toilets were separated for men and women, and they also had flushing water. The sworn enemy who once impeached her father has now become her number one fan, chasing her every day and asking her: "Master Lu, do you think I will still be able to use the 'tap water' you mentioned in my lifetime?" And the regent, who was rumored to be decisive and ruthless, silently blocked her in the greenhouse he built with his own hands, with red eyes: