Nian Wushuang, weighing 180 jin, is scorned by her fiancé—who colludes with her step-sister to steal her fortune and kicks her into the Demon Abyss. Not only does she survive and lose weight, but she also accidentally conceives a dragon baby! Twin dragon babies escort her home for revenge—while the third dragon egg goes missing and is taken back to the Dragon Palace by Long Jiuyuan, the Supreme Dragon Sovereign.