During a natural phenomenon called a "supermoon," a girl falls straight from the sky into the hands of Xiao Dong, a computer genius. She does not remember her name, her past, or how she got here. At first, the main character just wants to get rid of the stranger, but suddenly they realize that they are strangely connected, and as soon as they move a long distance, the girl teleports back to Xiao Dong. This gives a lot of trouble to a young man, because he needs to be inconspicuous and hide his identity from almost everyone in order to reveal the secret that tormented him for years. But when you are followed everywhere by a beauty, it is very difficult. Then Xiao Dun decides to help the girl remember the past, it only brings them closer, forcing them to reach out to each other even more on their own initiative. One day they meet with the head of a large company Wei Huang Hee, and he recognizes in the girl his first unforgotten love, which disappeared without a trace 10 years ago.