Popular high school senior/athlete Alyson (Cuoco) is hoping her softball prowess will get her a college scholarship but her dreams are dashed when she's injured. Her mother and brother have weight-related health and self-esteem issues that Alyson has always dismissed as self-indulgence but she learns differently after entering a documentary film contest. Alyson puts on a fat suit and goes to summer school at a rival high school to prove that looks don't matter but boy is she wrong.