Four-year-old Zoe King in on holiday in Arizona with her mother and father, three-year-old brother Rob and twelve-year-old brother Louis. The family visit the Grand Canyon and prepare to take a helicopter ride, but the pilot refuses to let Zoe and Rob ride as they are too small to fit in the seats. The two toddlers instead play in the play area of the terminal. However, moments after take-off the helicopter explodes, killing all on board.
on their antics at the mall.
Rob and Zoe move into their new room. The two decide that their parents wouldn't have wanted them to fight all the time and decide to become friends.