The tightrope walk is getting trickier by the minute. As maternity leave comes to an end for Heidi Elliott, so does virtually everything else she thought she knew. The substitute filling in for her high school Spanish classes has made a complete mess—not just with her students, but perhaps in a way more personal. Her husband is developing the disconcerting habit of going out of his way to help a beautiful and wealthy client who is all kinds of perky. And now, to further complicate matters, Heidi’s old boyfriend has moved back into the neighborhood.
