Cameras catch the highs and lows over the course of a year as nine dangerously overweight individuals try to shed the pounds before it's too late. First up is 40-year-old Julie.

Jack, 25, weighs in at 29 stone and could be the poster boy for today's obesity epidemic. With Jessie and the team's help though, Jack is determined to shift those pounds.

Liz's weight problems have spiralled out of control, and she currently stands at 34 stone. Can Jessie and the team help the 38-year-old conquer her food demons once and for all?

Jessie and the team come to the aid of 32-year-old Claire, who weighs 26-and-a-half stone. Things haven't been simple for Claire, and her food issues stem from a painful place.

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