A prince is disguised as a dog while he goes to look for a wife. While searching, he rescues an old man, who asks how he can repay his kindness. The dog tells the old man that he would like to marry one of his three daughters. The old man agrees to the dog's request. After a period of observing the family, the dog finds out that the two elder daughters are not good-hearted, while the younger daughter is very kind. As a result, he marries the youngest daughter. Later, the youngest daughter finds out that her husband is actually a handsome man when he takes off his dog skin. She secretly burns the dog skin, and they live a happy life ever after.