主人公仁藤俊美是一流大学毕业的银行精英，有着幸福美满的家庭。在某日下午，他以“想要有地方放书”为由，突然杀害了妻子和女儿。随着庭审的进行，仁藤不为人知的过去逐渐被揭开……

Based on a novel of by Nukui Tokuro, Hohoemu Hito tells the story of Nito Toshimi who, after graduating from Japan’s most difficult university and founding a job at a major city bank, marries Shoko and have a daughter, Amina. Nito, while leading a life that looks like the picture of happiness and being the envy of everyone, is charged with the murder of his wife and young child. At his trial, he reveals a shocking motive for the crime: “I wanted space for books.”