A rea life based friction movie which is really Beautiful and also heart breaking as will, from the beginning of the movie where both jung joon keon and jung bo keon walking on the railway track i felt some tragic thing will happen,,, and at that moment i can't control myself and also you as well,, It's heartbreaking when you see your close one die uncertainty which is happen in my real life, and i Don't know may be thats why i connect myself with this story,, and the beautiful thing is his sister always with him throughout his journey which makes me happy, and in the end i just appreciate lee so kyung, park jing min, yoon ah, lee sung min for their brilliant acting.,,,