Fast-talking, quick-thinking Detroit street cop Axel Foley has bent more than a few rules and regs in his time, but when his best friend is murdered, he heads to sunny Beverly Hills to work the case like only he can.

After receiving an exotic small animal as a Christmas gift, a young man inadvertently breaks three important rules concerning his new pet, which unleashes a horde of malevolently mischievous creatures on a small town.