In a 1940s New York, two Jewish teenage boys are determined to remain friends despite the deep differences between their two families.
Nerdy high schooler Arnie Cunningham falls for Christine, a rusty 1958 Plymouth Fury, and becomes obsessed with restoring the classic automobile to her former glory. As the car changes, so does Arnie, whose newfound confidence turns to arrogance behind the wheel of his exotic beauty. Arnie's girlfriend Leigh and best friend Dennis reach out to him, only to be met by a Fury like no other.
After losing an acting role and his girlfriend, Jake Scully finally catches a break: he gets offered a gig house-sitting in the Hollywood Hills. While peering through the beautiful home's telescope one night, he spies a gorgeous woman dancing in her window. But when he witnesses the girl's murder, it leads Scully through the netherworld of the adult entertainment industry on a search for answers—with porn actress Holly Body as his guide.
While on a vacation in Central America, some American teenagers are kidnapped by terrorists. A rescue mission is sent after them, but they manage to escape and join up with a mercenary fighting the terrorists.
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.
Mollie and James are together and raising a family, which now consists of an older Mikey and his baby sister, Julie. Tension between the siblings arises, and as well with Mollie and James when Mollie's brother Stuart moves in. Mikey is also learning how to use the toilet for the first time.