Think nothing tastes as good as slim feels? You're obviously not eating the right food . . . Holly, Naomi and Kate are determined to win the battle of the bulge.
So it's down to the local slimming club, where carbs are strictly off the menu and there's no escaping the scales.
But calorie-counting isn't the only thing on their minds. Newly engaged Holly should be over the moon. So why does she blush every time her sexy boss walks into the room?
Curvaceous Naomi finds herself the object of a very unusual fetish and a shocking secret is revealed when an unexpected visitor arrives on Kate's doorstep.
Yet with a little group support (and a particularly brutal weight loss boot camp) the women manage to stick to their regime, in time for the glamorous Slimmer of the Year Awards.
But with tempting buffet tables, highly competitive contestants and even the odd fat fetishist lurking, it's anyone's guess as to what will happen . . .