Peter Bretter (Jason Segel), a Los Angeles composer, writes music fora ridiculous cop series on TV starring his girlfriend, Sarah Marshall (Kristen Bell).
Drive from one bar to another, and you can expect to be pulled over for the slightest infraction by acop eager to get an up-close look for any signs of booziness.
Fora former officer to be a suspected cop killer is beyond imagination for many law enforcement officers, whose culture bonds them so tightly that many can spot another officer out of uniform just by their demeanor and a nod of the head.