A mother and son. An early morning start. An eagerly anticipated road trip. It's something they've done many times. Each adventure holds its own memories - moments to cherish for a lifetime. Only, this trip is different. It's not about making new memories. This time it's about letting go. But with such power in the urge to cling to life and to those you love, how do you find the words to say goodbye? Especially when this trip is the last. And time has run out ...