Set in the near future in Korea, a virus evolves which erases all memories. An Na arrives from Germany along with some other tourists hoping the virus will help her forget her pain of loss. She meets with her guide, young teenage girl Yuki, and her driver, K. Ater meeting Yuki and K at the airport, An Na is taken straight to a number of virus exposure sites, but their early attempts at finding the virus are cut short by acid rain storms. Finding out about Yuki’s pregnancy and poor health, Anna requests a new guide. K, suspicious of Yuki’s behavior, reports her to the authorities as a suspected lead poisoning victim. Nevertheless, after Yuki treats An Na for exposure to acid rain, a bond starts to develop between them, and the three spend some time together.