Missing and death cases take place in succession along the Korean Demilitarized Zone. South Korea forms a unit led by Captain Jo Jin-Ho and First Lieutenant Shin Yoo-Hwa as assistant leader. They are given only 24 hours to find out the truth behind the incidents. Team members find evidence, but they feel like something isn't right.

A woman becomes disenchanted with life after years of studying for an important exam. One lonely evening, she encounters a beautiful, disciplined woman and becomes fascinated with emulating her lifestyle.