A Tour Guide(믿을 수 있는 사람)

Making use of her Chinese that she had picked up while living in China, Han-young obtains her tour guide-interpreter's license and starts working as a guide in Korea. She gets used to her new surroundings and gains good results at work. However, she is forced to face challenges and changes as she loses touch with her brother In-hyuk, and the number of Chinese tourists decreases due to political tension between Korean and China.