"Christy and Todd both made important promises long ago. Todd assured his dad he'd stand with him if his dad ever got remarried. Christy promised her best friend she'd be there for Katie when she walked down the aisle. Both wedding days have arrived and Christy and Todd couldn't be happier. What neither of them ever guessed was that they'd need to fly halfway around the world to keep their promises and participate in the weddings of these two people...