Part 1

Chae-yeon, who recently broke up with her boyfriend, had the difficulty moving on. So she spent most of her time working to forget the pain in her heart. Jeon Jungkook, who is her boss, a handsome heartthrob gentleman and every girl falls for him effortlessly. He loves his work and his coworkers and gets to know them personally. All the years Jungkook and Chae-yeon have been working together, he still wonders why Chae-yeon doesn't show signs like other girls do when they fall in love with him.