Su Nian'an, the adopted daughter of the Su family, has mediocre qualifications and is incompatible with her financial tycoon father, actress mother, and genius brother, but she is loved very much. The talented girl Du Ruoqing came to the door and claimed to be the real daughter, causing a family recognition controversy. Although the Su family conducted a paternity test, they still kept Du Ruoqing at home. Du Ruoqing was determined to compete for favor and position, but she repeatedly ran into obstacles and made many jokes. In the end, the paternity test confirmed that Su Nian'an was his biological child, and Du Ruoqing's life experience became a mystery. Because of this turmoil, everyone in the Su family began to learn to accompany and protect Su Nian'an.
