Low budget 70s martial arts antics.
Residents at an apartment block are under pressure from unscrupulous landlords who want to kick them out so they can make millions from selling the land. The landlords happily use every dirty trick they can to try and kick out the residents (like releasing rats in the block and even burning it down) as they are evil.
Louis (Bob O'Connell) is leading the residents against the landlords but when he is killed his son Charley (Charles Bonet) decides to use his knowledge of the martial arts to get revenge amid much awkward violence...
So it is complete nonsense and looks like it had a budget of about $5 but is a lot of (unintentional of course) fun. Most of the fighting looks like kids pretending to be Bruce Lee but that's OK, if you are going to copy someone copy the best!