Dealing: Or the Berkeley-to-Boston Forty-Brick Lost-Bag Blues (1972)

Peter and Susan. Harvard and Berkeley. Rock and grass. And then suddenly stake-outs and the "mob" and bullets. Real bullets!

A cocky Harvard graduate transports a load of marijuana from Berkeley to Boston. His girlfriend gets busted with the second load. He and a friend go against a dirty cop and a Cuban gangster to get the load and the girl back.