Dawn Is Coming

The protagonist, Gu Zixin, is a detective who has solved many cases. While investigating his old rival, Jiang Chenyi, he hears that Jiang has come to the major city of Nanhai. But no matter how hard Gu Zixin searches, he can't find him. In Gu Zixin's view of the world, Jiang Chenyi seems to have vanished. Then one day, Jiang Chenyi challenges Gu Zixin, and from that moment on, the beautiful city of Nanhai undergoes a sea change.