Ms. Danielle had always known how to command attention. Even in her casual attire—tight yoga pants hugging her curves and a sports bra that accentuated her toned arms—she seemed to exude an air of confidence that made heads turn as she strolled through the neighborhood. Neil wasn’t immune to her allure. He’d catch himself stealing glances whenever she jogged past his house, her long legs eating up the pavement with effort...