Min Seo, a 17 year old rebellious high school Korean girl, lives in a small apartment with her mother and her mother's penniless lover. She hates her mother's lover and doesn't understand both of them. Karim, a 29 year old Muslim migrant worker from Bangladesh has to leave Korea in a month. Before departing, he is desperately searching for his ex-boss to receive his unpaid salary. One day, Min Seo finds a missing wallet but is caught by the owner, Karim from Bangladesh. She tries to dissuade him from reporting her to the police by offering to grant him a favor, and reluctantly agrees to help track down his former boss who owes him one year's pay. Bandhobi is Bengali, meaning of "Friend" in English.