Brother-in-law is a man who is in debt to the mob. The spells out that his debt is too high and his hand will be the first repayment option. Brother-in-law becomes desperate and kills his wife to collect on the life insurance money on behalf of her death. The collection of the monies can only happen by the final signature of the brother of the deceased wife. That brother figures out the brother-in-law's scheme and takes revenge for the death of his sister.