Tea and Cucumber Sandwiches

Could a fortysomething stay-at-home mum with no political experience become mayor of London? Olivia Williams is Dorothy Green, who runs for office after being spotted on YouTube speaking out against the summer riots. She's thrust into a world of smarmy chatshow hosts and an even smarmier Conservative opponent (Martin Shaw), who's determined to show her his manifesto. But would the public really be more interested in her fabulous shoes and the fact that she's posed for magazine shoots in her underwear? Hannah Verdier