Dr. Trevor Adams is a genius. However, his ethics leave much to be desired. When Aphrodite Aesthetic Reconstruction Clinic hires him to create a genetic treatment for obesity, Dr. Adams uses a synthetic retrovirus to inject pygmy shrew DNA into clients willing to pay tens of thousands of dollars to be able to eat whatever they want without gaining weight. weight. Pygmy shrews have such a fast metabolism that they do not store fat cells, but they must eat twice their body weight every two hours or they will die. When they are hungry, they attack and eat prey more than twice their size. They have fangs coated with red iron ore, saliva containing a paralyzing neurotoxin, and are considered one of the most vicious animals on Earth. When Dr. Adams' clients begin to burn more calories than they can consume, he realizes he has made one of his worst mistakes...