The maid sent by the eldest princess fell into the hands of the imperial army. Emperor Qing asked Gong Dian to guess who wanted to ruin Fan Xian's reputation. Gong Dian panicked and told Dong Gong that the suspicion was serious.Emperor Qing casually mentioned that the prince sent calligraphy and paintings to Gong Dian, and Gong Dian was shocked. It turned out that Fan Xian's appearance at the Qing Temple was actually arranged by Emperor Qing, and took the opportunity to test whether Gong Dian had surrendered to the prince.Gong Dian quickly returned to the East Palace, returned the paintings and calligraphy given by the prince, and burned the paintings he had collected for many years. He claimed that he had no hobbies anymore and drew a clear line with the prince.The prince understood that the close personal relationship between the two violated Emperor Qing's taboo.