He then watched as the car was hit broadside by a city bus.It blew up when the burning car detonated hand grenades in the vehicle, killing McAllister.Murtaugh knew that Joshua would next head to his home: "My home, man.The son-of-a-bitch knows where I live," and they commandeered a car to get there, with additional units summoned.It followed a strait-laced, wholesome, All-American newly-engaged couple, Brad Majors (Barry Bostwick in his feature film debut) and Janet Weiss (Susan Sarandon) who took a wrong turn and stumbled upon the spooky mansion/castle on a rainy night when heir car had a flat tire, and were forced to take refuge.The blowing trees outside his window cast moving shadows across his pillow and rustle the curtains.Inexplicably but intentionally, a mechanical toy monkey on his dresser begins moving manically - it noisily clashes its two cymbals together.This plot-twist warning was one of the first of its kind, later repeated by Alfred Hitchcock forPsycho (1960).It both crushed a number of Giant Trolls and Orcs nearby and announced their emergence into the fight - now led by an emboldened Thorin.