Chen Mo, a retired special soldier, returned to Jianghai City anonymously and worked as a clerk in a second-hand bookstore. Organizing bookshelves during the day, practicing boxing alone at night, suppressing the memory of the battlefield with a regular life. He didn't want to be remembered by anyone, but there was someone who came to the bookstore every day just to borrow the same book - the teacher from the kindergarten next door, who was also his fiancée he had never known. He got engaged in a hurry before the mission. After the mission failed, he chose to disappear, thinking that saying goodbye without saying goodbye was protection. But now she is across the street, watching him through the glass window during lunch break every day. Chen Mo knew that he had already been recognized. She didn't tell, he didn't ask, and they spent three years facing each other across the road. Until one rainy night, a notice was posted on the door of the used bookstore that it was to be demolished. Chen Mo stood in the rain packing cartons. He raised his head and saw her standing across the street holding an umbrella. The edge of the umbrella could not cover her red and swollen eyes. This time, he didn't turn around...
