A sin such as this : a novel
(Book)

Tara thought she was finally settling down when she married the handsome Dr. Cavin Lattimore. Just as she was willing to overlook his gambling habits, she discovers his secret meetings with Sophia, his gorgeous ex-girlfriend and his son Eli's occasional girlfriend. Life gets even more complicated when Tara's niece, Kayla, starts hooking up with Eli. In a matter of weeks, Tara has reluctantly gone from rich, single San Francisco professional to Lake Tahoe housewife managing her niece's whiplash moods, while resisting her stepson's tantalizing sexual advances.