Fallon Jamison, heartsick over her recent divorce, plans to recuperate by spending a carefree summer in Manhattan. Out for a morning jog in Central Park with the dog that comes with her borrowed apartment, she is accosted by a stranger. acting as if he knows her, and addressing her as "Charlotte." This sets in motion a hazardous adventure that involves Fallon in a sting concocted by the police, abduction by brutal criminals, and finally, under terrifying circumstances, a meeting with the kidnapped Charlotte Fiske. Set in Manhattan and the Pocono Mountain region of Pennsylvania, this novel is told from the alternating points of view of each twin. It is a mystery replete with action, twists, and red herrings. Fallon and Charlotte bond with each other as they face challenges that will transform them, forcing each to call upon resources of courage and ingenuity to survive.