Rieko is a mother who works part-time at a convenience store. One day, the store manager is holding her daughter Miu's hand, saying that he has caught a shoplifter. Rieko bows her head repeatedly in the back yard, but the manager lets her off the hook because she is a part-time employee's daughter. Rieko confronts her daughter, but she doesn't say anything... A few days later, the manager reports that her daughter has shoplifted again. Rieko bows her head again, but the manager says that he needs to pay her to cover up the shoplifting, forcing Rieko to make a difficult decision...