It's semi-finals week on MasterChef: The Professionals, and the competition is heating up. MasterChef presenter Gregg Wallace teams up with chef Monica Galetti and two Michelin-starred Marcus Wareing to continue their search for this year's champion. In this episode, the remaining eight chefs face a double-headed beast of a challenge in the MasterChef kitchen. At stake is the chance to move forward in the competition and the opportunity to cook in some of the most influential and unique kitchens in the UK.