Chuck Mool lost his memory and ended up being tricked into attempting to kill his father. The "Unholy Four" is not really a good title. The four friends just find themselves in situations where they are trying to survive in their own way. The main plot surrounds Chuck and how the two families in his home town deal with his unexpected return. The final showdown was very creative. In one particular ambush, one of the shooters tells his buddy, "It's better than shooting squirrels!" Check out my list: https://trakt.tv/users/jeffsmith99/lists/spaghetti-westerns-i-want-to-watch Found a reasonable video in English on YouTube: https://youtu.be/G-TpnbFy-J0