Mengya, the youngest daughter of the Yueli Tribe of Mercury, secretly followed the patrol to leave Mercury because of her playfulness. When passing by the Earth, Mengya was attracted by the humanistic scenery and fireworks of life on the Earth, so she missed the return ship! And because Mengya stayed on the earth privately, it caused time and space chaos, allowing her to possess Miss Ouyang of the General's Mansion!
Mengya, who was forced to possess her, originally wanted to enjoy her status as the eldest lady and take the opportunity to look for the opportunity to return to Mercury, but she did not expect that the title of Miss Ouyang was in vain. She lost her mother when she was young and lived a miserable life. Instead, she was treated as a victim of a power struggle by her biological father and was forced to marry the legendary Prince Yun, who was scheming, cruel and with crippled legs!
Faced with such an unfair fate, the little princess Mengya of Mercury used her superpowers to turn things around step by step, avert danger, and at the same time capture the heart of the sinister prince!