Isabel Raine thought she had everythinga successful career, a supportive family, and a happy marriage to the man she loved. Then one ordinary morning, her husband, Marcus, picks up his briefcase, kisses her good-bye, and simply vanishes. That day, all her calls to him go straight to voice mail; the messages she leaves at his office go unreturned, too. Panicking after finally receiving a call from his cell phone in which all she can hear is a man's...