Possible Clues:

• Massive grave
• Serious question as husband leaves for piece of silver?
• Wife with some scores not easy to bear
• Powerfully persuasive wife just into ninth decade
• Substantial work at first needing a total of four scores
• Massive wife, four fifths of a ton
• Important, as issues
• Serious
• Substantial crew entering river, expending energy
• Very important point to an octogenarian