Under Suspicion
(1991)

Tony Aaron (Liam Neeson) IS GUILTY OF THE MURDERS. He conspired with Selina (Alphonsia Emmanuel) to kill their respective spouses and frame Angeline (Laura San Giacomo) for the crime.

Angeline is sentenced to life in prison, and Tony is met by Selina in America who writes him a big check for his help.

With Angeline in jail for the murders, Selina has regained control of her husband's paintings which she plans to slowly sell off as they become more valuable.

Thanks Spectre!

IMDB