The Investigation

In 1944, a guard is found murdered inside Fukuoka Prison as war rages outside. Watanabe, a young guard who loves to read, is tasked with finding the killer. Though a powerful inmate quickly confesses, Watanabe is unconvinced. As he questions suspects and a talented Korean poet, he begins to uncover the dark secrets of the prison and its inhabitants. Watanabe must protect the poet as the war intensifies, leading him to a devastating truth.