侦探帕尔姆系列：毒气

本片由马蒂·卡西拉导演Joel Rinne,Matti Ranin,利奥·约克拉主演，于未知芬兰上映！

A rich widow is found dead of gas poisoning in her flat in Helsinki. First the death is thought to be an accident, but lieutenant Palmu notices that the murderer has made a mistake, and Palmu and his assistants Kokki and Virta start an investigation into who has broken into the apartment through the balcony door and opened the gas tap when Mrs. Skrof was sleeping.