In Yeong, a repeater of entrance exam, happened to know a murderer Dong Soo on her way to the sea. As she loses 48,000 won in front of the ticket window and can't join her friends, Chang Yun comes to there looking for her. While he is looking for In Yeong, he meets Yeon Suk, an elderly unmarried writer, who asks him to go to the sea together. But Chang Yun runs away from her to find In Yeong. When she meets Chang Yun, In Young tells him to go to the sea first and makes an appointment to meet Dong Soo who is about to search for her lost money in a park.