Two experts from the world of antiques go head-to-head in a competition to raise money for a charity of their choice. They are challenged to buy antiques and collectibles in a different location each day, and at the end of the week the duelling dealers compete to raise the most money at a special one-off event. Once the deals are done, one expert will be crowned the Put Your Money Where Your Mouth Is champion. Experts Mark Franks and Paul Hayes compete to raise the most money in an antiques showdown.