Lucio, a prestigious university professor of literature, takes a course at a school in the area where he grew up, in the suburbs of Buenos Aires. There he will try to help his father to save Dilan, a student hounded by a group of drug traffickers.

蘿拉在母親離世後，與感情深厚的繼父佛雷多繼續住在一起。一通來自家鄉舅舅的電話卻打亂了平靜生活，他聲稱老家的警方意外尋獲了她生父的遺體，但在蘿拉的記憶中，自己父親早就拋妻棄女遠走高飛，怎麼會無端出現在故鄉？這宗橫跨二十年的謎團背後，等待著她的卻是意想不到的衝擊真相。