"I can't catch feelings for him!!" Samantha said to herself as she looked at her boss Park Seokjin, one of the most handsome, rich Billionaire that every girl in South Korea falls for and also her dad's killer. Choi Samantha's beloved father and her only family is murdered and the killer is Park Seokjin. Samantha planned the whole revenge but she didn't plan one thing and that was to fall in love with her dad's killer. Will she get her revenge??