Don't Come Knocking: Howard Spence (Sam Shepard) has seen better days. Once a big Western movie star, he now drowns his disgust for his selfish and failed life with alcohol, drugs and young women. If he were to die now, nobody would shed a tear over him, that's the sad truth. Until one day Howard learns that he might have a child somewhere out there. The very idea seems like a ray of hope that his life wasn't all in vain. So he sets out to find that young man or woman. He discovers an entire life that he has missed ...