The story begins a couple days after the war has ended. A group of Serbian soldiers in charge of clearing the fields from mines discovers a man sealed inside a factory's basement. A mysterious man says he is 'ours', he doesn't feel cold, isn't hungry and only asks for cigarettes. As soon as he is brought along, people start disappearing, and the infighting begins. Who is the mystery man?

十二歲的艾爾瑪在媽媽過世後和爸爸一起搬到新的社區，卻發現新鄰居竟然是她的死對頭露娜！然而，在她發現爸爸的公司準備拆除他們的遊樂場，她只好加入死對頭的陣營，和露娜的滑板幫派一起守護屬於他們的地盤。他們能成功保住這片綠地嗎？