Mr. Billion is a 1977 action comedy/action-adventure film directed by Jonathan Kaplan, starring Terence Hill and Valerie Perrine.

See also Part One: https://dai.ly/x84lx7y

Plot - After billionaire Anthony Falcon dies in a freak accident, he leaves his entire estate to his nephew, easygoing Italian mechanic Guido Falcone. In order to claim his billion-dollar inheritance, Guido must reach San Francisco within twenty days to sign a document. His uncle's greedy assistant, John Cutler, wants the money for himself, and hires female detective Rosie Jones to prevent Guido claiming his inheritance.