Yu Le, an ordinary girl from G University, found out that she had been cheated when she tried to drink Coke to warm her body in the ice and snow. She was overly excited and was hit on the head by an oncoming snowball. She traveled to an imaginary era in Su Yuguo and became Gu Han, the maid of Prince Zhilie's palace. , I originally wanted to survive and if I was lucky, I could return to a modern civilized society. Unexpectedly, when the Suyu Kingdom was changing dynasties, King Zhilie ordered the whole family to rush to the battlefield and devote themselves to serving the country. Yu Le, as his personal maid, naturally had to do everything possible. On the battlefield, Yu Le felt King Zhilie's special affection for Gu Han. In desperation, she could only take Gu Han's place and entangle with Zhilie, but she didn't want to, but she was trapped in the love web he created and couldn't extricate herself. It turns out that Zhi Lie had already figured out that Gu Han had been a spy for King Su Yu. At this time, the appearance of Empress Xiao aggravated the conflict between the two. When Su Yu's country collapsed, Gu Han had no choice but to leave at a risk and get to know Su Li, and the two became friends sharing weal and woe. But is King Zhilie really so angry just because he didn't get rid of this serious problem? How will the entanglement between the two end?