Sarah Beeny presents the new series of Four Rooms. Four high-profile dealers wait in four separate rooms, ready to spend their personal fortunes on diverse collectables that members of the public hope to sell for a handsome profit. Sellers must decide when to sell their item for the most money, or when to walk out on an offer. And if they turn down an offer, there's no going back. In this episode, dealers Celia Sawyer, Alex Proud, Pearl Lowe and Andrew Lamberty get up close to a colourful Banksy print and a signed prop from the cult film Withnail and I. There's a lesson on valuable Victorian textiles, and some detective work on a wartime relic, and the dealers are in awe of a designer chair inspired by Marilyn Monroe's famous white dress.