Rent a Cop (film)

RentaCop is a 1988 action comedy crime film starring Burt Reynolds and Liza Minnelli. Reynolds plays a disgraced police officer, now working as a security guard, who falls in love with Minnelli, who plays a prostitute.

A drug bust is about to go down and Chicago cop Tony Church is on the case. Things go horribly wrong, though. His fellow officers get slaughtered and Church takes the blame, getting fired from the force.Della, a highpriced hooker, happened to be in the hotel at the time and caught a good look at the killers face. Now shes scared and needs protection. She tracks down Church, who cant find employment other than as a security guard. Della offers him a fee to be her bodyguard until the killer is caught. ........

Source: Wikipedia