Michelin-starred chef and pub landlord Tom Kerridge reveals how to reach the heady heights of happiness through healthy food. Award-winning Indian chef and one half of the Incredible Spice Men, Cyrus Todiwala joins Tom in the kitchen and is challenged to come up with an alternative take on a gut-busting curry to rival Tom's macho spice-crusted tuna salad. Self-confessed salad dodger Arabella Weir tries her hardest to fall in love with lettuce, and drinks expert Joe Wadsack plays a blinder with his tips for healthy red wine before we discover which dish delivers the most health and happiness on a plate. Kimberley Wilson looks into free-from diets.