In the level of "Mystery of the Lady" in "The King of Brains", players need to investigate the cause of Lady Wang's death, including the housekeeper, nanny, and husband, to find out the real culprit who killed Lady Wang. The final conclusion was that the husband was the real culprit and poisoned Mrs. Wang to death with the medicine in the medicine bottle in order to defraud her insurance.
1. First drag the husband and wife to the middle of the screen;
2. Investigate the wife’s mouth, the footprints on the window sill, the agreement on the table, the chat history on the mobile phone and the empty jewelry box in the drawer ;
3. There are five suspicious things about the housekeeper, as shown below;
4. Find five suspicious places on the husband, as shown below;
5. Find out five suspicious things about the nanny, as shown below;
6. Finally, it was concluded that the murderer was the husband who used the medicine in the medicine bottle to defraud the insurance company and kill him.