"Dadada" mainly tells that Lin Manyue is a cheerful girl with an optimistic attitude towards life. Because she weighs 120kg, and she is a real fat girl. After graduating from college, Lin Manyue found a job as a mascot in the park. An accident caused a devastating blow to the crew who came to the park to shoot, and she was heavily in debt.

At this time, a large-scale entertainment competition called "National Goddess" is being actively prepared. At everyone's suggestion, Lin Manyue signed a contract with an advertising company and embarked on the road of "slimming" .....