Little Seven, a heavenly official, neglects her duty and lets the ferocious beast Taotie escape to the mortal realm. Taotie drains villages of grain and possesses the empress to wreak havoc. Banished to the world, Little Seven is born to the kind elderly couple Song En and Yu Hui. Using her immortal power, she subdues Taotie and restores the grain, yet is wrongfully blamed by villagers. Later, she helps her grandfather pass the imperial exam and become a top scholar. The three head to the capital to seek kin, only to face schemes from their unfilial son Song Zheng and his wife. Finally, Little Seven and her lover resolve the crisis, bringing peace to the family and gaining kinship and true love.