From NetFlix:

Four generations of men are suddenly brought together by the chance to uncover the truth about their family’s past. When their eldest member passes away, the remaining trio embarks on a journey that takes them out on the road and into a world full of surprises — some comic, some dramatic, and all of them personal. Stars Michael Caine, Christopher Walken, Josh Lucas, Glenne Headly and Jonah Bobo.

Where there are Michael Caine and Christopher Walken, you would expect something good. In fact, you will not be disappointed with the eccentric and somewhat sad plot. As the boy Zach’s great-grandfather, Michael Caine’s behavior is “around the bend” as he plans a bizarre final trip for the other three actors as a way to reunite the three immediately following his death. Walken is Zach’s grandfather who abandoned his son Josh Lucas who is Zach’s father. Surprises and quirks along the way keep the plot interesting and eventually lead to some sad final revelations.

Good acting kept the film from being sentimental. Jonah Bobo avoids being too cute. Josh Lucas plays a man who is not only physically cripple, but emotionally repressed. He may fit the category of actors who act by not acting.

Not at all a waste of time.