Jennifer Fulwiler told herself she was happy. Why wouldn't she be? She made good money as a programmer at a hot tech start-up, had just married a guy with a stack of Ivy League degrees, and lived in a twenty-first-floor condo where she could sip sauvignon blanc while watching the sun set behind the hills of Austin. Raised in a happy, atheist home, Jennifer had the freedom to think for herself and play by her own rules. Yet a creeping darkness followed...