Starting with a Broken Engagement, I, The Emperor, Lay My Cards Down

It tells the story of Han Jian making a mistake while researching the ability to travel through time and space, and he was mistakenly sent to the ancient royal family. Before that, he had to meditate hard in the laboratory, but once he made an error when exporting, he was actually transported to ancient Xuzhou. This place is being hit by flooding. When he came to the palace, he soon attracted the attention of the prime minister's daughter, Shen Qingzhu.