Despite the shining example of Allie and Noah's marriage, son-in-law Wilson Lewis is man who has always found it difficult to express his emotions. A hardworking estate tax attorney, he has provided well for his family, but now, with his daughter's upcoming wedding coinciding with his thirtieth wedding anniversary, he confronts the fact that he and his wife Jane have grown apart and he wonders if she even loves him any more.
Wilson is sure of one thing: his love for his wife has only deepened and intensified over the years. With the memories of his in-law's magnificent fifty-year love affair as his guide - and some patient advice from Noah - Wilson struggles to find his own way back heart of the woman he adores.