The Ink Storm: The Calamity of Danqing

On the Dragon Boat Festival in the sixth year of the Xuanhe era of the Northern Song Dynasty, a sudden fire broke out in the Imperial Painting Academy, and the Tang Dynasty masterpiece 'Lady Guoguo on a Spring Outing' was consumed by the flames. The court initially believed it was an accidental fire, but a残缺 shoe print was left at the scene. The male and female protagonists, due to viewing a painting exhibition, accidentally time-traveled to the Northern Song Dynasty and became embroiled in this case. Fortunately, they gained the trust of Emperor Huizong, Zhao Ji, and were entrusted with the task of investigating the whereabouts of the famous painting. However, their investigation was obstructed at every turn. It turned out that eight years ago, they had cut off the villains' source of income, and now the painting was used as bait to lure them into a trap of revenge. With an uncertain path ahead, this shocking case, which used arson to cover up the theft of the painting, was just beginning to unfold. — Description from novelcodex.org