The NEET son, Hideyoshi, has an abnormal attachment to his kind and family-oriented mother, Kaori. One day, when Kaori rarely went out, Hideyoshi found it strange and discovered that she had started going to the gym. However, when Hideyoshi saw Kaori secretly talking on the phone, he began to suspect her and followed her stealthily. To his shock, he witnessed Kaori entering a young man's house. 'Mom is a liar!' Then, without knowing anything, as Kaori was about to leave again, Hideyoshi impulsively pushed her down...
