One sluggish Sunday, Pien is urged by her mother to go and play hide-and-seek with her two younger half-brothers. They accidentally discover a family hiding in the deserted industrial zone: refugees. Perplexed, the teen girl tries to think how she can help. Due to soft noises of shootings, echoes almost, the terrain suddenly seems a war zone. Meanwhile, Pien and the charming son are slowly enchant...