Code:

http://www.imdb.com/title/tt0062589/

Three young outsiders fight crime as undercover agents for the police.
Young people in trouble with the law (wealthy Pete stole a car; Linc arrested during Watts riots; Julie ran away from her San Francisco prostitute mother) can avoid jail by infiltrating the counter culture and exposing badguys who prey on other kids.

Code:

http://safelinking.net/hgoG5Ss