Psychological thriller about a beautiful Latina art dealer in Arizona, who poses as an international spy, smuggles a toxic cocktail being blamed for several unsolved murders. When a dead man found in the Arizona desert turns out to be the victim of an elaborate murder/cover-up, it leads to Serpentina, a sultry, raven-haired beauty. The wealthy and eccentric art dealer, Martina Valdez Volkov, lives in a world rife with glamour and intrigue, where she makes and breaks her own rules. Enter pretty FBI agent Julie Genaro, who is as smart as she is demure, Sheriff Wayne Stone, who is a straight shooter but sometimes comical, and an interesting cast of expert investigators. As they trail their number one suspect across borderlines, Julie finds herself caught in an intricate web of unsavory characters, unforeseen romance, and deceit. The plot thickens and suspense builds as altruistic ambitions and mysticism collide with greed and political corruption. Can Julie and her team solve this increasingly complex case in time, before the killer strikes again?