In high school, the tall, slender Wang Zhen Zhen and her fat, clumsy deskmate, Zhu Zhong Qian were a pair of mischievous children who always stuck together. After graduating from high school, they parted ways when Zhu Zhong Qian left to further his studies abroad while Wang Zhen Zhen pursued her dreams. Years later, Wang Zhen Zhen, a little-known poor cartoonist, who was unable to make any achievements in her career, was forced to change to become a newbie in selling insurance. At a classmate reunion dinner, she met her old deskmate, Zhu Zhong Qian who had turned into a slim and handsome man while she had bloated up into a larger version of her old self……