Do-jin is a poor self-employed man who acts as an errand boy for his big brothers. He falls in love with Eun-ha at first sight when he first saw her at the camping site where he went to play with his seniors. Do-jin gets a part-time job as a massage therapist to pay the overdue rent. On the day he visited the mansion, Dojin found out that Eun-ha is living with a foreign professor. Eun-ha sends a signal to rescue her from being secretly held as a sex slave.