Plot summary

Michael J. Fox and James Woods star in this thrilling action-adventure comedy from director John Badham. Nick Lang (Fox) is a popular movie star who desperately wants to break out of his "nice guy" screen image. Believing he'll land a role as a tough homicide detective if he can hang out with the real thing, Lang leaves Hollywood to spend a few weeks on the streets of New York with detective John Moss (Woods). A gritty no-nonsense cop on the trail of a ruthless serial killer, the last thing Moss needs is an annoying sidekick. But his boss--a fan of Nick Lang's movies--insists, and Moss must find ways to get out of his hair while pursuing the murderer. In nonstop action and laughs that lead to a breathtaking showdown in Times Square as Lang and Moss finally learn to get along... the hard way.