What are the unknown plots in Princess Pearl?

When I was a child, I saw Princess Zhu Huan, and I thought your concubine was kind and gentle. Compared with the fierce queen, your concubine is virtuous and virtuous enough to be a mother instrument in the world. Looking back now, I think your princess is the most secretive bitch. At first, she saw swallows, but she didn't feel like an emperor. She suggested that the emperor recognize her daughter. As a result, she saw the emperor's deep affection for Xia and immediately listened to the emperor's words. At first sight, she thought that the swallow was alive and was the emperor's daughter. Win the swallow and Xia, pretend to be good in front of Qianlong, tell the queen secretly, and know how to speak according to Qianlong's temper.