A traveller.. Travellers rise up to move forward as many times. They have their own path, their own birthplace. They come from a different backgrounds. But destiny have a better plan for them. Through a journey, they meet up and move forward in holding hands. Starting from Leeteuk, ending with Kyuhyun, they learn something that so precious in their life. Up and down the hill, do you want to join them to find the value of a word call friendship? And how strong their friendship are?