A recently separated father and his teenage daughter become the deadly obsession of their neighbor -- a beguiling, deranged young woman willing to do whatever's necessary to take her rightful place as their wife and mother.

When single mom Stephanie gets engaged to single dad Jameson she receives an anonymous stalker's threat: "Break off the engagement or I'll kidnap your daughter!" The threats continue and her daughter is taken, but Stephanie will learn the kidnapper is really on her side, and trying to warn her of an even greater danger.

When a Mars colony's comm satellite is damaged, Emilia Riley embarks on a seemingly harmless repair excursion. A shuttle malfunction cuts connectivity to the ground and Chris, her son, makes the knee jerk decision to go after her.

Four best friends embark on a luxurious wine tasting and soon find themselves fighting for their lives.