The movie tells the story of Frank Serpico’s pretty much personal crusade against the corruption in the New York Police Department in the 1970s. Since he is an honest cop surrounded by officers taking bribes, he has to worry about the people backing him up as much as he does the criminals he’s chasing.
Pacino gives a classic performance, and I would expect nothing less from him though. The movie is a classic cop movie and if you haven’t seen it, you should make an effort to watch it. Parts brought back memories of the classic TV show Barney Miller, but unlike the TV show, this isn’t a comedy. It is deadly serious.