Part one of two. The health and fitness guru invites couch potatoes to take part in his 90-day body confidence routine. With short, intense work outs and fast recipes, Joe Wicks promises to turn viewers' health and lifestyle around. He begins by meeting four people battling their health, diet and body confidence. They include Natalie from Lowestoft, who doesn't want to be a fat bridesmaid at her brother's wedding, and teacher Asa, whose bad-boy diet and fondness for a G and T has caused his weight to balloon.