Lydia Seo, beloved niece of Bang Si-Hyuk, President of Big Hit Entertainment, is entrusted with her uncle's company when he dies suddenly in a car crash. Now Lydia is faced with the task of running Big Hit and gaining the respect of its many artists and trainees' while still mourning for the loss of her uncle. What happens when she gains a little more than just respect from a certain Golden Maknae? Will she be able to keep business separate from her personal life and avoid the media's ever hungry eye for scandals?