New York City, Dr. Richard Jacks is a creator of perfumes. His girlfriend, Sarah, sometimes gets pushed to the side, but he loves her. One day, he discovers that his great-grandfather, Dr. Jekyll, was a scientist with a secret: a revolutionary discovery. Richard tries to follow in his footsteps and creates perfumes, each greater than the next. But one gives him more than he bargained for. Richard is transformed into a buxom bombshell, Helen Hyde. Helen is a powerhouse and a woman with a plan. The catch is, Richard doesn't know she exists. As he finds himself in situations each more ridiculous than the last, Richard becomes aware of his alter ego and makes a plan to get rid of her once and for all. But, Helen's career is growing, she won't go without a fight.