Grandfather gets a pair of magic spectacles, which he claims to possess the miraculous power of showing the tastes and inclinations of the person who puts them on. There are present at the time a large family gathering, father, mother, sons and daughters, and grandchildren, and each member of the party in turn puts on the spectacles. Then we see on the curtain all that is passing in the mind of the wearer clearly portrayed in each eye, just as if we were looking through opera glasses.