Hancock upsets his fellow passengers on a flight to Switzerland and then discovers that he has to share his room at the hotel. Initially he thinks that he is sharing with an attractive French girl only to discover that it is really a yodeller and Alpine Horn player.

Hancock is given a small part in the East Cheam Repertory Company's production of 'Moon Over Tahiti' but then they forget to tell him when the play is changed to 'Lady Chatterley's Revenge'.

Hancock bumps his head and suffers from temporary amnesia. Whilst he is unable to remember who he is, Sid persuades Hancock that he is Prince Nicolai, the last heir to the Russian Royal Family's fortune... but there are others making the same claim.

Hancock is worried by his new neighbour who seems to keep bringing in bodies and dumping them in an incinerator in the back garden. Hancock decides to investigate.

Hancock dreams that he has a job as a night club pianist and he falls in love with a foreign baroness. But she is engaged and Hancock is challenged to a duel with her fiancé.

Sid and Hancock decide to auction off their property to pay for a trip to Monte Carlo to try out Sid's infallible roulette system. But they discover that Hancock's stuffed eagle had been stuffed with banknotes.