Ashamed (2011)

Arts professor Jung Ji-woo (Kim Sang-hyun) is searching for a nude model for a video clip that she will play at her exhibition. When Hee-jin (Seo Hyun-jin), one of her students, recommends Yoon Ji-woo (Kim Hyo-jin) for the job, the three women head to the beach to shoot the video. As they spend time together, Yoon Ji-woo begins to share pieces of her past relationship with Kang Ji-woo (Kim Kkot-bi). The film weaves through the pasts and presents of the three Ji-woos and focuses on their intersecting relationship.