Sienna Harris is a girl with a plan. Her days of slaving away at Carrie's Classic Events and More are numbered as she is on the brink of launching her own event planning company. Her relationship with Luke Price is headed in the right direction and they are approaching their one-year mark. The future is looking bright and she knows that life could not get any better . . . That is until her perfectly planned world is thrown upside down by the unexpected arrival of someone from Luke's past. She receives the shock of her life on the night of the biggest event of her career. Sienna will now have to pull it all together without a list or a plan. The question is, can she do it?