Jiyu thought her first relationship would be perfect until she begins to suspect her boyfriend is too close to his female friend. Confused and desperate for answers, she downloads an AI dating advice app called Love Meddler.
But instead of comforting her, the app gives brutally honest relationship advice that seems to understand her feelings a little too well. As the mysterious app starts interfering in her love life, Jiyu begins to wonder if there’s actually a real person behind the screen—someone from her past who has suddenly returned.