Two high school boys stumble upon an unguarded scooter before class starts in the morning. Seeing a chance to finally taste freedom, they decide to flee the depressing classroom and the suffocating metropolis of Taipei city. It is the beginning of a road trip with the sunset as the final destination. Sadly, they had misunderstood the direction of the sunset...

Jian-zhong did not like going to school. At 18, his family factory went bankrupted, and his father ran away, leaving behind a huge debt. He could only stay by his mother who juggled various jobs. She would not sell the factory, and tried everything to pay the monthly mortgage payment. Shortly after Jian-zhong came back from military service, his mother passed away, further escalating the conflict between him and his father. At 41, Jian-zhong works away and rarely comes home. He returns for his mother’s bone collecting ceremony, but accidentally travels through time back to 1989, the crucial year in which the life of his family was turned upside down…

During World War II, Shinkai Shion, a guard of prisoner-of-war in Borneo, was involved in a massacre. As the suspect, he realized the nature of war as he revealed the truth.