Publicity shy architect Owen Curtis attempts to conceal his shock inheritance of fifty billion dollars by masquerading as the new Manager of the 30,000 acre Cayston Estate. He is opposed at every turn by the snobbish Brook Hope family who fiercely resent his growing relationship with their niece Kate Pearson. Owen gradually unravels the murky activities of Roland Brook-Hope, and learns that his son Jeremy - who wants to marry Kate for her money - is a jealous and ruthless rival who will murder to achieve his aim.