Celebrated stage actress Mona Zahid wakes up on Thanksgiving morning to the clamor of guests packed into her Manhattan apartment and to a wave of dread: her in-laws are lurking on the other side of the bedroom door; she's still fighting with her husband; and in just a few weeks she will begin rehearsals as Shakespeare's Cleopatra, the hardest role in theater. In an impulsive burst, Mona bounds out the door with the family dog in tow ("I forgot...