Lawyer Tony Keith bumps into his old friend Jeremy Freyne, who has decided to give up his life of adventure and marry the vivacious Hilary Feltham. Unfortunately for Jeremy, civil servant Arthur Dennis has got there first. When Tony is called in to investigate the possibility of a blackmail ring centering on Hilary's home at Feltham Abbey, Jeremy jumps at the invitation. Their contact at the Abbey is one Arthur Dennis…They find the Abbey in an uproar - Hilary has given Arthur the slip…