Plot: Four teams of famous faces turn fugitive and attempt to evade capture from an elite team of 30 hunters, in a special event for for Stand Up To Cancer. Taking part are Olympic silver medallist Iwan Thomas with two-time Paralympic gold medallist Richard Whitehead; Made in Chelsea stars Ollie and Gareth Locke-Locke; actor Chizzy Akudolu with queen of UK garage Lisa Maffia; and Drag Race UK winner The Vivienne with international reality TV star Chloe Veitch