Cute Bodyguard tells the love story between Gu Rong, an arrogant and trouble-making rich second generation, and Su Jingjing, a strong girl who looks gentle and cute. Because of an accident, Su Jingjing becomes Gu Rong's bodyguard. Though they don't know each other before this accident, romantic love starts as they get involved in each other's life....

Chen Xiaoqian, an unknown screenwriter who's been single since birth, worked really hard and finally finished a grand drama of a heroine. It was planned to started filming, but stopped because the actor Han Mingxing questioned a lot about the script. One day, she accidentally got stuck in her own script and turned into the third princess of DongLiang, a country where females dominate. The third princess past self was determined to marry Han Shuo, a crown prince of the enemy country despite being engaged to Pei Heng, a ministry of education. Let's see how the little support role of Third Princess revises the whole play to survive and eventually develop her relationship between prince Han Shuo and Pei Heng....

The story is about "Princess Xiyue" Li Mingyue and "Prince Zi" Li Qian in the state of Beixuan who didn't like each other. They were forced to get married. Li Qian remembered what had happened before when he was hypnotized by Li Mingyue. For reviving his memory, Li Qian accepted this wife.They experienced a variety of things and finally got a happy ending....