He Huanhuan has a straightforward personality and acts simply. After an accident, she entered a strange new family. Faced with the sudden family relationship, she did not adapt at first and often responded to the people around her in unexpected ways. She is direct in her expressions and does not follow common sense. She often unintentionally breaks the peace at home and makes people around her gradually change their view of her. With misunderstandings and collisions, she slowly integrated into the new family, and her relationship with her relatives also changed amidst laughter.