What tips someone over the edge to commit a crime?

For a Nebraska farmer, the turning point comes when his wife threatens to sell off the family homestead.

A cozy mystery writer plots a savage revenge after a brutal encounter with a stranger.

Harry Streeter gets the chance to cure himself from illness - if he agrees to impose misery on an old rival.

And Darcy Anderson discovers a box containing her husband's dark and terrifying secrets - he's not just the man who keeps his nails short and collects coins. And now he's heading home...