Secret Dealers is recorded with members of the public in their homes. Homeowners have to choose between sentimental attachment and money offers for their possessions. Three antiques dealers go into their homes to bid for items they want to buy. Independent valuers put an estimate on how much they think the items are worth. This figure is revealed to the seller and the audience at home. Items are found by the dealers, who make their own valuation and try to purchase them by placing a cash offer on items around the home and give some advice or information on the Antiques.