- Heroine: Yun Xingyue, 23 years old, is a top student majoring in engineering management at 985 University. She has an independent and tenacious personality. Because her native family is extremely indifferent to relationships, she is resolute in the workplace and has a clear goal - to gain a foothold in the industry by relying on her ability and give herself a sufficient sense of security in the future.
- Male protagonist: Lin Jinjie, 24 years old, is an outstanding graduate of the University of Information Science and Technology. He has a gentle and kind personality and treats people sincerely. Due to his ordinary family, he has developed a frugal and down-to-earth character. He works as an information manager in a construction unit and firmly believes that "sincerity can change sincerity."
The two experienced various ups and downs and hardships, and finally relied on their own hard power to win a happy life and shine in their respective fields.