Dong-jin works at the immigration office, detecting illegal immigrants and entrants. He rarely meets his father, who has Alzheimer's disease, and it's awkward for him to meet his brother, Dong-seok, and his family. Nam-il, a colleague, uses his position to commit corruption and the youngest, Eun-seong, is too compassionate. One day, Dong-jin meets an ethnic Korean call girl named Yeon-hwa and starts to like her. She gets a call from a broker that he's withholding her niece, Soon-bok, who escaped...