(Crime) Cage Of Gold - Jean Simmons, David Farrar 1950

https://www.imdb.com/title/tt0042295/ In post-WW2 Britain, a young woman marries an old flame but after he disappears, and is later declared dead, she re-marries, only to be blackmailed by the supposedly-dead first husband who suddenly re-appears in her life, in need of money.