The story starts when Philin was 23 years old . She was a cute , shy and an introverted type of person . Her family consisted of her dad , her older sister and her aunt . Her mother passed away when she was 10 years old . Philin belonged to a poor middle class family . Her father used to run a small shop and both the sisters used to do part-time jobs to meet their daily needs for survival . Philin was a great daughter who always used to help her father in his work and never felt burdened about their condition . On the other hand Philin older sister Kelei was fed up from their so-called poor living . She wanted to be rich instantly for which she could do anything . One day Kelei went to a pub at late night without telling anyone just to enjoy some moments leaving her poor life aside and to seduce a rich guy so that she could get married to him and live a luxurious life . When Philin and their father got to know that Kelei is not at home he asked Philin to search for her sister and bring her home safely . Philin took her purse and went to find her sister , after searching for half and hour she got to know that her sister was at "THE DEVIL's PUB "one of the enormous pub in their city . When Philin reached at the pub , she was surprised to see the huge crowd with lots of rich spoiled chaebols drinking , taking drugs and flirting with girls . She got worried about her sister and started searching her out in every corner of the pub . After a while searching Kelei she finally found her with a boy drinking and getting intense with him . She quickly pulled her sister from that boy and took her to a corner . Kelei was surprised to see Philin at the pub and asked her to leave her on her condition . But Philin was determined to take Kelei back to home as she promised her father that she will come along with Kelei safely . But Kelei flatly refused Philin and said that she doesn't want to live that begger life again , now she want to have a life of her own without any interference from father and Philin in her life . Kelei asked Philin to leave her alone and even suggested her to do the same what she was doing . But Philin instantly refused her offer as she said she can't hurt dad's feeling and leave him behind alone by himself , being old he needs our support and us beside him . But kelei didn't listened to her single word and even she forcefully made her to drink alcohol . As Philin never had drink alcohol before made her completely drunk in a moment . After making Philin drunk Kelei again went back to that guy and started to drink again . Philin was left behind alone in drunk condition by kelei. Philin started moving toward the main entrance gate so that she could get out of the pub but eventually she got lost and entered in a private suit room .