Mother works at a soapland to support the family. One day, her son's senior visits the shop by chance and becomes captivated by her devoted, sensual service, eventually encouraging the son to start visiting soaplands too. Influenced by this, the son announces he will take on part-time work to afford frequent visits, prompting his mother to scold him harshly. However, she gradually abandons her role as a mother, leading to an inevitable conclusion where she exposes her identity as a soapland worker within the household itself.