The film revolves around the story of Dr. Jung Woo-Suk, a scientist immersed in research inventor of the time machine in the hope of seeing his lost wife. When the project is in danger of being stopped funding, despite the dissuasion of colleagues, including young scientists Ji-Wan (Daniel Choi), Woo-Suk was determines to test thà project. However, because of faulty machine, he goes to the time of 11 am the next day. There, he witnesses the entire process of his colleagues are murdered, his laboratories is destroyed. He decided to go back in time to prevent the murder.
