Uncle - Early 50's Nephew - Early 20's

The uncle mentions having a threesome with his nephew and a teddy bear. The nephew is shown getting undressed as he sleeps nude. The room is dark, no nudity seen. The nephew is shown nude from the rear as he wakes the following morning. As he moves around, his genitals become visible. Uncle gives nephew a bath. Uncle recalls the time when he ejaculated in nephews mouth.