There is to be a new King and Queen of England. George V and Mary's coronation is a long way from the rural village in Kent. Inspector Billoughby is called in as a favour to an old colleague to foil a plan that could bring the monarchy down. Billoughby, along with Daisy, heads to the dirty streets of London. They aim to infiltrate the old boy's network by any means necessary. Posing as a businessman, Billoughby introduces his police constable as...