In a city that appears calm but is actually undercurrent, private detective Xu You, deputy criminal investigation team leader Ding Xuan, as well as data bloggers and forensic doctors formed a "mystery team" and encountered a series of incredible mysteries: people disappearing in smiles, murders in secret rooms, disappearing paintings... Each volume has a main mystery, all related to the mysterious woman Su Waner. The tacit understanding and friendship among team members are gradually established through solving puzzles, and the humor and laughter in life are interspersed with the intense and exciting cases. In the end, the truth was revealed, involving huge interests and emotional entanglements. The team faces the light and darkness of human nature with a unique perspective and relaxed way, giving people thinking and warmth.
