Seth Gecko and his younger brother Richard are on the run after a bloody bank robbery in Texas. They escape across the border into Mexico and will be home-free the next morning, when they pay off the local kingpin. They just have to survive 'from dusk till dawn' at the rendezvous point, which turns out to be a Hell of a strip joint.
Los Angeles teenager Ritchie Valens becomes an overnight rock 'n' roll success in 1958, thanks to a love ballad called "Donna" that he wrote for his girlfriend. But as his star rises, Valens has conflicts with his jealous brother, Bob, and becomes haunted by a recurring nightmare of a plane crash just as he begins his first national tour alongside Buddy Holly.
Mariachi plunges headfirst into the dark border underworld when he follows a trail of blood to the last of the infamous Mexican drug lords, Bucho, for an action-packed, bullet-riddled showdown. With the help of his best friend and a beautiful bookstore owner, the Mariachi tracks Bucho, takes on his army of desperados, and leaves a trail of blood of his own.
Having recently witnessed the horrific results of a top secret project to bring the dead back to life, a distraught teenager performs the operation on his girlfriend after she's killed in a motorcycle accident.