Sara's mother told her that she shouldn't marry Conrad -- that the twenty-five-year age gap between them would tell in the end. The end is now (apparently) approaching fast.
Conrad, a famous painter, has decided that it would be good to die before he gets seriously old and so spends his time sorting out his chaotic life. Sara, teaching art at a local college, finds that she has plenty of male company -- other people's husbands, ones she tells Conrad all about, who are just good friends to her.
But there's one she, somehow, doesn't get round to mentioning...