Because of his age, her father-in-law still believes his beloved dog is alive. Feeling sorry for the situation, her husband pleads with his wife, Hana, to pretend to be the dog to comfort his father. Wanting to help, Hana agrees and begins acting like the beloved pet in front of her father-in-law. However, she soon faces his extreme physical affection. The "discipline" imposed by the father-in-law gradually drives Hana to her limits until she can no longer resist. Her relationship with her father-in-law deepens in the fragile space between family bonds and twisted affection.