Welcome to the Big Girls Book Club, where only one rule applies - members must be at least a size 16. Sisters and original BGBC members Isis and Egypt have left New York for Richmond, where Isis is happily married and living in the lap of luxury. Her sister Egypt has moved in to get away from her past, which isn't easy when her ex is Isis's husband, Rashid. Then Isis asks Egypt to make a giant sacrifice - to become a surrogate and carry her baby...