Seong Sumin manages a game development company with her ex, Baek Seju, while struggling to move on from their past romance. Despite her attempts with other partners, Sumin finds herself drawn back to Seju, who is determined to keep her close. The arrival of the alluring Ju Seongji at their company shakes things up, catching Sumin's eye and igniting a complex love triangle. As Seju jealously guards Sumin's affections, the trio's intertwined relationships spark intense drama and unexpected twists in What Does the Fox Say?