Kim Ju-an

Hye-ja, who is struggling with her job in Seoul, dreams of moving up from a semi-basement flat to a studio apartment. Working at an insurance company's call center, she faces challenges at work due to her rough dialect and fiery personality. To borrow money for the move, Hye-ja travels to Busan to see her mother, but no matter how hard she knocks on the door, her mother does not answer.