Four mental patients on a field trip in New York City must save their caring chaperon, who ends up being taken to a hospital in a coma after accidentally witnessing a murder, before the killers can find him and finish the job.
Stars
Michael Keaton
Christopher Lloyd
Peter Boyle
Stephen Furst
Dennis Boutsikaris
Lorraine Bracco
Milo O'Shea
Philip Bosco
Howard Zieff
