An ornithologist finds himself unwittingly thrust into danger when he is mistaken for a bomb specialist and dispatched to a quaint French village during World War I. Tasked with unraveling a cryptic report from the resistance, he must track down a bomb allegedly planted by retreating German forces, aimed at detonating a weapons cache. As he navigates the town's chaotic atmosphere, his peculiar expertise and outsider's perspective lead to unexpected encounters and revelations, blending humor with the gravity of wartime tensions.