Hyun-wook, an advertiser, is recognized for his unique sense in visualizing and filming castles. Myung-sil, a free-spirited theater actress, falls in love with the passionately working Hyun-wook and marries him. During their honeymoon in Thailand, Hyun-wook frantically films scenes for an advertisement, while Myung-sil learns traditional Thai dance. However, immediately after returning from the trip, she is confined to Hyun-wook's secret space, equipped with remote cameras to monitor her every move. The conflict between Myung-sil, who tries to escape, and Hyun-wook, who seeks to keep her imprisoned, escalates, and the challenging Myung-sil gradually deteriorates under Hyun-wook's influence. One day, Myung-sil discovers the bizarre sexual acts Hyun-wook recorded on a computer disk, and in despair, realizes she was merely a recording subject. Believing that the only way out is death, Myung-sil willingly chooses death.