Follows interpreter Ju Ho Jin and top star Cha Mu Hui as their working relationship turns into a precarious emotional entanglement. Ju Ho Jin's professional rule is to stay neutral and invisible, a rule that collapses once he is assigned to Mu Hui and begins quietly altering her harsh, chaotic statements into softer versions that won't destroy her public image. The core tension comes from Ho Jin's job itself: every interview and press conference becomes a live minefield where one literal translation could spark a scandal, while one "edited" line could betray Mu Hui's true self. He gradually realizes he isn't just her interpreter but the only person allowed to hear what she genuinely means, turning linguistic work into emotional intimacy that feels as risky as a confession. Cha Mu Hui is crafted as a dual-image person: immaculate, graceful global idol in public, brutally direct and occasionally cruel in private. Her dynamic with Ho Jin is driven by constant tension between what she says, what he dares to translate, and what both of them actually feel. As Mu Hui notices how often he softens her words, she starts throwing him emotional curveballs—provocative jabs, half-joking confessions, and career-ending lines—to test where his loyalty really lies.