When an American billionaire dies, his poor Italian nephew inherits everything, provided he can arrive in the USA to claim his inheritance before the deadline but the corporate lawyer-executor tries to steal the inheritance.
A fortuneless auto mechanic inherits a billion dollar financial empire when his uncle dies. However, there is one stipulation. In order to claim his fortune he must arrive in San Francisco within twenty days, and along the way there are a number of people who want to "share" his wealth.