In one fell swoop, nine-year old David Van de Steen lost his mother, his father and his sister in an attack by the Brabant Killers in Aalst. His grandfather, Albert, has the well-nigh impossible task of giving David a new perspective on life, a future.《谁是凶手（2018）》是斯泰恩·科宁克斯于2018 年在比利时 导演，由简·德克莱尔,薇薇安·德·莫恩科,Mo Bakker,Kes Bakker,Jonas Van Geel,Inge Paulussen,路易·塔拉普,Elke Van Mello,Zita Wauters,Ann Tuts,Lucas Van den Eynde,Charlotte De Bruyne,Nico Sturm,Bert Haelvoet,Aziz Bouhkzar等出演,剧中使用荷兰语 / 法语对白,是一部剧情片电影。