After his capture in the wilderness, the legendary, bloodthirsty creature 'Chupacabra' escapes into the city creating mayhem and panic. As they pursue the deadly beast, an animal control officer and scientist realize that a vigilante with his own suspicious motive is also tracking the elusive killer for a mysterious research facility run by Dr. Goodspeed...

Enter the world of Rae Bristol who thinks she has the ideal life with her boyfriend Richard until she meets Megan while attending seminars in Las Vegas, who enlightens her about how much her life is controlled by him. Later, by chance, she meets a Mexican while playing blackjack, who bestows a passion-filled, magical kiss upon her giving her only one choice... To love a Mexican.

The small California town of Diablo is plagued with mysterious deaths after Sheriff Roberts Lopez unearths an ancient box. Legend has it that the box holds the sixteenth-century Mexican demon named Azar.