This is a detective comedy series that blends black humor with suspense reasoning, centers around the shrewd and capable insurance investigator Goo Jingyi.She was involved in a confusing murder investigation by chance and gradually revealed layers of truth.Ju Jingyi is a smart, courageous and unconventional woman. She cracked old cases not to uphold justice, but was immersed in the moment when the logical puzzle was completely restored.With her keen intuition and unreasonable methods, she traveled between lies and reality just to find out the cruel truth hidden under the appearance.