The doctor puts five volunteers on a low-calorie diet to help get their health back on track after the UK's Covid-19 lockdown. It is week two of their very low-calorie diet and the volunteers' tempers are beginning to fray, but Michael gets them doing high-intensity work-outs and yoga. He also explores the connection between obesity and inflammation and the role it is thought to have in almost every major disease and illness, and Michael's wife, author Dr Clare Bailey, shares recipes and food tips that help to build and maintain muscle