Moon Chun-sik

Jae-Sung (Lee Jang-Woo) is a veterinarian. He wants to marry his fiance Jung-Sun (Kim Min-Seo) and he plans to propose to her on the Hangang pleasure boat. On that day, Jung-Sun disappears and Jae-Sung receives a phone call to play a game. Because nobody believes that Jung-Sun was kidnapped, he tries to find her himself.

Geum-Bok (Shin Da-Eun) is ashamed of her mother (Jeon Mi-Sun) who works as a street cleaner. Her mother, as a single mother, has worked hard to support Geum-Bok. Geum-Bok's feelings for for her mother begin to change. On their first trip, Geum-Bok's mother disappears and Geum-Bok is now all alone.