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 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!

Hancock, a junior clerk in a City office for 19 years, receives a promotion when his army friends, who met at a reunion, place large orders with the firm. However, they are all fraudulent orders and Sid has the takings!

Hancock hires a domestic help who turns out to be an Italian beauty. An immediate rivalry develops between Hancock and Sid for her attentions, with Hancock ending up doing all the housework... but then her family arrives.

The local council decide not to hold a Miss East Cheam contest because of the low standard of entrants the previous year. Instead they decide to hold a Mr East Cheam contest - Hancock and Sid enter and both expect to win!