Geum-Bok (Shin Da-Eun) feels embarrassed by her mother (Jeon Mi-Sun), who works as a street cleaner. As a single mother, she has worked tirelessly to support Geum-Bok. However, Geum-Bok's feelings towards her mother start to shift. During their first trip together, Geum-Bok's mother goes missing, leaving Geum-Bok all alone.














