Why don’t we just focus on the work and get over with?

Sun-hwa is a location manager in Busan who scouts locations for film shoots. She's always loved her work and her city. One day, she joins a new project out of the blue. But as soon as she walks through the door, she recognizes the director immediately. It's Do-young, her ex-boyfriend who left her and went to Seoul to fulfill his dream. They were lovers in the past but now Sun-hwa has to face him as a business partner. To make things worse, all he says is "NO!"