Abby St James knows all about trouble, thanks to her twin sister Michaela, whose unofficial nickname in New York society is the Black Widow. Michaela's tastes have always run to older, wealthy types - all of whom have conveniently died, leaving Michaela a very satisfied widow. Abby is not quite so sophisticated, or so confident about men, but stepping in to oversee her sister's interest in men's magazine Bastion seems harmless enough. Until Stefan Massari, Bastion's publisher, mistakes Abby for Michaela herself - and Abby wonders if getting the job done might be easier with her sister's clout. But maybe she takes the imitation of Michaela too far. Because someone who wants to hurt Michaela has begun to call - and with each chilling threat, Abby wonders if she'll be the one to take her sister's punishment....when the caller takes her life.