It begins on a Monday, when four people board an elevator in a Manhattan office tower before it plummets. It appears to be a random tragedy, but it happens repeatedly, and soon the nation's capital of media, finance, and entertainment is plunged into chaos. This is a cold, calculated bid to terrorize the city. And it's working. Fearing for their lives, thousands of men in women working in offices across the city refuse leave their homes. A riveting tale of psychological suspense.