Urban female detective Ji Zhoulan embarks on the road to find the truth after her mother disappears mysteriously. She met psychologist Zhong Ye, forensic doctor Yao Zhilan and reporter Gu Xingling in a city where many cases were intertwined. The lives and cases of the four people are intertwined with each other, from small disappearance cases, domestic violence cases to major crime syndicates, gradually uncovering the power struggle and the darkness of human nature hidden under the surface of the city. After experiencing betrayal and redemption, Ji Zhoulan not only solved the mystery of his mother's disappearance, but also gained a new understanding of life and justice. The story structure is multi-threaded, with each volume focusing on a different case, and ultimately boils down to a grand mystery and Ji Zhoulan's spiritual growth.
