The Big Night is a 1960 American drama film directed by Sidney Salkow and written by Ric Hardman.
A briefcase tossed from their car's window into a canal is recovered by a young man, Frankie, who discovers that it contains $209,000 in cash from a bank robbery.
Frankie confides in his girlfriend Ellie, whose mother has expressed worry about her dating a young hoodlum.
Ellie can't persuade Frankie to do the honest thing and return the money, which he hides.
In a brief contemporary review for The New York Times, critic Eugene Archer wrote that the film consists of "Randy Sparks as a juvenile delinquent who finds a briefcase containing $200,000 in stolen banknotes and wastes more than seventy minutes of screen and audience time before turning it over to the police.