Kim Dami is a shy but smart introvert 25-year-old lady, she grew up with the love and support of her rich parents, and it is her first day in the new prestige company as an intern, she tries to adjust with work and be a wallpaper to everyone, she didn't want to get noticed especially their new Director/Acting Chairman Mr. Park Seo Joon. Park Seo Joon, the handsome and charismatic Director of PJJ groups, he is the one and only son of the Chairman Park. He grew up a rebel and always defies his parent that's why he grew up in Lost Angeles California and he was forced back to take over his father's company but didn't expect that his world will turn upside down when he meets Kim Dami.