East of the Sun, West of the Moon

Can you ever justify cheating on your husband?

This is the question that Leigh Fallon is faced with when she learns that her marriage to Congressman Bob Fallon is not as honest as she's always assumed. It feels like Bob has been all but ignoring her, except to criticize, and Leigh finds herself helplessly drawn to Erik, the twenty-something Norwegian exchange student who's staying in their home.