Peter Fonda plays 'Heavenly Blues', the leader of Hell's Angels chapter from Venice, California while Bruce Dern plays 'Loser', his best pal. When they both botch their attempt to retrieve Loser's stolen bike, Loser ends up in the hospital. Nancy Sinatra plays Mike, Blues' "old lady" and Diane Ladd plays Loser's wife (Dern's real-life wife at the time).