Seventeen year old Jung-min goes to a sleepover party at her friend, Yeon-hee’s house and gets drunk for the first time in her life. She ends up having her first kiss with Yeon-hee and thinks Yeon-hee touched her in a sexual way while she was sleeping. On the way home the next morning, Jung-min tries to remember what happened last night. She remembers feeling good but becomes embarrassed and confused because Jung-min and Yeon-hee are both girls.