Gloria Hunniford, Angela Rippon and Julia Somerville get to the bottom of why if you suddenly have to cancel a holiday the travel company so often refuses to refund a penny - even if there is still plenty of time to sell it to someone else. As a couple reveals how even the most devastating diagnosis didn't allow them to cancel without losing out, a man who took on the industry and won explains how he did it. The team also examine why a family that spotted a mistake with their flights just minutes after booking still ended up with a whopping charge to change them, and travel expert Simon Calder has tips for exploring the Greek islands.