In the desert town of Yuma Springs lives a man with a prosthetic foot called Roberto Garcia. Five years ago, a chupacabra invaded his ranch, stole his cattle, and bit off his foot. He’s been wanting revenge ever since but has never been able to find out where the Chupacabra Clan lives.
One summer, a mysterious farmhand, Angelo comes to stay with his family and helps them out over the summer in exchange for a place to stay and three meals a day. Angelo has a secret of his own. He is one of the Southwest Wolves, who know where the Chupacabra Clan lives and are not on good terms with them.
When Roberto gets drunk on a Friday Night, he spills his guts to Angelo, who tells him that he knows where the Chupacabra stay, but in return, he has to keep their secret. Roberto agrees, and one night, he takes Roberto through a portal to the Southwest Wolves headquarters where he meets the Arizona section.
They hear his plan, and they agree to help him out. He has three months to even the score before he gets ejected from the Southwest Wolves. If he wants or needs any more time, he has to become one of them.