"Modern history students dressed as street fortune-tellers in rags? Lin Zhao squatted in the west city of Chang'an and touched three rusty copper coins in his arms. The system suddenly dinged - 'A businessman has been unjustly imprisoned, cracking the code and rewarding elementary physiognomy!' The cloth merchant who was crying about being poisoned by his colleagues just spoke. He glanced at the blue spots behind the ears and the blood-stained cuffs, and sneered: ' You're not the poisoner, you're the scapegoat! The real poisoner is your partner who always talks about "deep brotherhood", and he still has half a grain of red vitriol embedded in his left fingernail!" When the Dali Temple yamen escorted the wronged partner to open the secret door of the store, and the cabinet full of poisonous powder reflected the setting sun, the Po Gua stall on the streets of Chang'an now has a magic divination that can determine life and death at a glance. "