Two brothers, Chuck and Wes, hatch a high-stakes plan to rob Caesar's Palace in Las Vegas, aiming to use the Oakland [Hells Angels] as frontmen by posing as members of an East Coast motorcycle club. Their goal is to win the Angels' trust and stage a distraction outside the casino while the inside crew goes to work, slipping past security to grab a fortune.
To pull it off, they persuade the Angels to make a weekend run to Las Vegas, taking up residence on a farm outside town that belongs to the aunt of a club member. As the Angels prepare, Wes begins a romantic relationship with Betsy, one of the Angels’ “old ladies,” who has a tense history with the Angel nicknamed Terry the Tramp. Betsy asks to come into town with the brothers, but they leave her behind, and she ultimately hitchhikes into Las Vegas to join the operation.
Upon reaching Caesar’s Palace, the brothers check in wearing their biker garb. They call the farm to request the Angels’ backup, claiming they’re being harassed by hotel staff and that the club should come to their aid. While the Angels head toward the hotel, the brothers quickly change into suits and their more “square” disguises. Inside the casino, they feign trouble—a stolen credit card and a security detainment—to gain access to the cash cage, as the just-arrived Angels clash with casino security and police outside. Chuck and Wes retreat to their room, then swap back into their biker gear and depart with $600,000 in stolen cash, all while Betsy witnesses the sequence, unaware that authorities are looking for two suited suspects rather than two bikers.
Back at the camp outside Las Vegas, the Angels expel Chuck, Wes, and Betsy for wasting their time with an overblown trip into the city. The trio swaps their motorcycles for smaller scramblers and plans a desert retreat toward Los Angeles. A local sheriff stops by to voice suspicions that Chuck and Wes may be the culprits, and the Angels set out to track them down, locating a motorcycle shop to buy scramblers before pursuing the trio into the open desert.
The film reveals that Chuck and Wes are half-brothers, and neither truly needed the money since a substantial inheritance sits in Chuck’s name. The robbery was driven by the thrill rather than necessity, and Wes resents always relying on Chuck. A split forms: Wes and Betsy part ways with Chuck, while the Angels close in. A long motorcycle chase ensues, culminating in Chuck’s desperate jump across a gorge; the bike explodes on the far side, and he is killed.
Wes and Betsy arrive just as Chuck dies, and the angels close in, seizing the stolen cash, disarming Wes and Betsy’s bikes, and draining their water supply. The Angels ride off, leaving Wes and Betsy stranded with uncertain prospects as the credits roll.
The movie is notable for featuring many real Hells Angels members playing themselves, lending an authentic edge to the story and the atmosphere of the pursuit.
