The film Just Mom tells the story of Siti, a mother who has lost the attention of her biological children, who are already established and busy with their own jobs. To fill her lonely period, she decides to take care of Murni, a homeless person who is heavily pregnant. Even though her children opposed her decision, Siti was determined to take care of Murni even though her own physical condition was also weakened due to her cancer. Murni's presence was able to fill Mrs. Siti's feeling of loneliness and longing for her children, although in the end it brought the family to a different state.