Yuna works as a bus guide for South Korean tourists on the Shonan coast. One day, she finds an unwelcome visitor in her tour: Sanho, her boyfriend of three years who she left behind in Korea. Sanho pleads with Yuna to explain why she ran away, but Yuna refuses to deal with him. But when one of the children from the bus tour goes missing, Yuna and Sanho must work together to find the lost kid. Shot on location in the scenic areas of Fujisawa, Enoshima, and Kamakura.