Tangke University entered a financial industry company after graduation, and she has always maintained a rational self-confidence and style of conduct. In the eyes of employees, she is a verbal overtime maniac. She is silent about her past life. Everyone knows that she always leaves the office on the 25th of every month. No one knows where she went. In fact, she goes back to a cafe at her university. This cafe has a story about her and her boyfriend. Her boyfriend disappeared three years ago when they had a date at "Blue cappuccino" cafe. They agreed that if one day they were lost in the crowd, they would go back to the place where love began - this cafe to wait for each other. They believed that no matter how far the person who had been destined to, they would meet again. Therefore, she would appear at the cafe to wait for him to appear. She persistented this relationship and finally met him.