Jake is a New York City fireman and devoted family man. Eric is climbing the corporate ladder at the expense of his wife and children. On a fateful Tuesday in September, two strangers meet for a startling moment in a smoke-filled stairway. Only one will leave the Twin Towers alive. Will he find his way home?

The last thing Jake Bryan knew was the roar of the World Trade Center collapsing on top of him and his fellow firefighters.

A man walks into a trendy Los Angeles restaurant — a disgruntled ex-employee with an automatic weapon — and seconds later, thirteen people are dead and thirty-two more have been wounded. It is a heinous act of mass slaughter that haunts Homicide Detective Peter Decker.

But, though eyewitnesses saw only the lone gunman — who apparently took his own life after his bloody work was done — evidence suggests more than one