Additional information
As brothels of Seoul are cleared away, they disperse to everywhere in the country and also Jin-A gets to come to 'Inn Bird Cage' in Po Hang. A family consists of father, mother, Hye-Mi, a college girl who is the same age with Jin-A, and Hyeon-Wu a high school boy lives there. The troubles between two women, one should go in guest's room and the other leads happy life as a college girl, begin. Hye-Mi despises Jin-A who sells her body. And a subtle feeling of Hye-Mi, who is not honest about sex , about Jin-A. Jin-A falls under a situation that she is about to have sex with Jin-Ho, Hye-Mi's boy friend, while the father and Hyeon-Wu make love with Jin-A. Thus the troubles inside of the blue gate gets on high. Jin-A who sells sex but free from sex and Hye-Mi who has closed and hypocritical sex. The situation goes from bad to worse due to Jin-A's nude photo and suicide attempt, Jin-a and Hye-Mi finds many things in common of their daily life each other just before the collide, and then the sense of difference between him called sex gradually transforms into a mediation of reconcilement. Hye-Mi commits unexpected thing by using her sex to show her friendship to Jin-A while their warm friendship that gets over the limit fills inside of the blue gate.