Abby, a college dropout who went from the top dog of the school to a 350 pound girl l now had the nickname of "Big fat abby" after she gets spotted by some old girlfriends of her while in the McDonald's drive thru. Determined to get back in shape and reclaim her former glory she enlists the help of a gym hunk named Duncan and teams up with him to fatten up the new queen bee of the college Melissa to a 450 pound blubber butt