Tatsuro of the son liked Sayuri of mother who opened the knitting classroom. Mother who knits by a smile, a fluent way of using hands kindly. However, a friend learned knitting from mother of the So, and Tatsuro was dissatisfied. On such one day, Tatsuro who went to the house of the friend to meet mother who went to tell the knitted goods watches what two people play with with an abnormal figure. And Tatsuro whom the jealousy to a friend and greed to mother were not able to hold in check pretended to be a friend, and embraced mother from the rear….