The Interpreter follows the journey of Qiao Fei, a brilliant French studies graduate student who dreams of becoming a professional interpreter. Her path crosses with Cheng Jiayang, a cold and demanding elite interpreter who initially serves as her mentor and supervisor. As they navigate the high-pressure world of international diplomacy and professional translation, their relationship evolves from mutual frustration to a deep, complicated romance. The series explores the challenges of the translation industry, highlighting the immense pressure, precision, and ethics required in the field. Beyond the professional hurdles, the protagonists must contend with family opposition, past traumas, and the interference of third parties, testing whether their love can survive the complexities of their personal and professional lives.