Zhu Xiongying, the Grand Imperial Eldest Grandson of Da Qian, unexpectedly travels through to modern times. Not only does he ride back on a children's motorcycle, but he also brings a water bullet gun and a letter from six hundred years in the future, turning the Fengyi Palace upside down. The Emperor, the Empress, and the Crown Prince go from shock and suspicion to organizing a group visit to modern times, as ancients and technology collide one after another, generating endless laughs. While the cute kid acknowledges his relatives and acts spoiled, he quietly changes the destiny of his family, and a joyful protection spanning through time and space unfolds!