Jerry Mason inherits the Hotel Splendide at Speymouth but is disappointed when he sees it is a quiet place with few permanent residents. Gentleman Charlie, a jewel thief arrives after a long spell in prison expecting to be able to dig up the pearls he had buried - only to find the hotel has been built on the site.
A murderer is on the run from prison and is out to get everyone, especially the girl, who put him there. The detective gives chase with the help of a London cabbie who has aspirations of becoming a policeman himself.
Taxi driver Jim befriends Ruritanian child King Ludwig while the latter is on a visit to London. A plot is afoot by sinister forces to kidnap Ludwig, and Jim becomes caught up in the drama. After the child is abducted Jim uses all his ingenuity, including cross-dressing as a Countess and becoming involved in a car chase, to rescue him from his captors.
Things are not all well at Rynox House, where the company is on the verge of collapse. At the same time, its senior partner, FX Benedik, keeps receiving threats from the disgruntled Boswell Marsh, who is seen in town buying theatre tickets and revolvers. As the Rynox staff, including the young Tony Benedik, work to keep the business afloat, FX invites Marsh to settle his grievances at his house one fateful night....
When cabinet minister John Hoode is murdered at his country house, his secretary, Alan Deacon, is the prime suspect and is arrested. Reporter Anthony Gethryn determines to unmask the real murderer.
Major Starr is an ambitious newspaper reporter who has taken undercover employment as chauffeur to Lady Susan Loman in the hope of witnessing high-society goings-on which he can use in a feature article he is planning.
