Which issue is the princess in the first season of Meng Detective?

The fourth question. In the first season of "Meng Detective", Andy Zhang Tie-Lin reappeared the classic of returning pearls, and it is difficult to tell the truth from Wei Zi. The program group held a confession game, which allowed guests to tell what they had done wrong and accept punishment. The person who was punished the most could get clues. The game came from the fourth period. "Meng Detective" is an IP decompression reasoning reality show launched by iQiyi, with a quarterly issue of *** 13.