(A parallel world with a setting similar to the Republican era)
At his assistant Bai Qianqing’s suggestion, renowned painter Qiao Song brought his students to Yunli Town to paint from life. Nestled among mountains and rivers, Yunli was blessed with beautiful scenery and a pleasant climate, making it a delightful destination for visitors. There they also met Fang Du, the third young master of the Fang family, who had come from Huicheng. After standing up for his friend Yao Chen, Fang Du had been assigned to work at the Yunli police station. As several murders took place, the young people, all around the same age, gradually grew close. Meanwhile, a number of hidden truths slowly began to emerge.