Jasmine Sallie is a forty-year-old chemist employed by a pharmaceutical company. She begins an erotic relationship with Travis Adams, a young, sexy, and brilliant chemist who joins her research team. Travis and Jasmine work together to manufacture a drug with the goal of heightening sexual pleasure for women. She and Travis manufacture a product, but the side effects cause disastrous medical problems and even death. Jasmine orders the project to be ceased and the research is shelved. However, Travis secretly continues to do research. Finally, he manufactures a good formula, but the side effects and potential risk for death are significant. Still Travis believes the benefits outweigh the hazards. He calls his new aphrodisiac Cougars.
Travis decides to sell Cougars on the black market. Several women who ingest the drug suddenly and inexplicably die, while others become gravely ill. An investigation starts and Travis is suddenly on the run. Now Jasmine must help authorities hunt Travis down as well as find an antidote for those ailing from the effects of the drug.