En lille kystby i Nordeuropa bliver så let som ingenting besat af en fremmed magt. Alle byens indbyggere forstår, at der ikke er noget at stille op mod den mægtige hær, der er underlagt oberst Lansers kommando. Lanser har gjort tjeneste under mange krige, og selvom han ikke møder direkte modstand blandt byens beboere, ved han inderst inde godt, at intet folk formår at forblive fredeligt og medgørligt, når dets frihed er blevet taget fra det med magt. John Steinbecks roman "Månen er skjult" udkom i 1942 i USA, og i løbet af krigen var der mange oversættelser af den i omløb i det besatte Europa. Selvom den invaderende magt aldrig bliver nævnt ved navn, er det tydeligt, at der er tale om Nazityskland, der ligesom oberst Lansers hær formåede at besætte mange europæiske lande uden at møde væbnet modstand, men som ligesom Lanser fandt ud af, at selv de fredeligste folk før eller siden vil slå igen mod overmagten.
John Steinbeck
John Steinbeck was an American author known for his realistic and socially conscious novels depicting the struggles of the working class during the Great Depression. His most notable works include "The Grapes of Wrath," which won the Pulitzer Prize for Fiction in 1940, and "Of Mice and Men," a novella exploring the lives of migrant workers in California. Steinbeck's writing style is characterized by its simple language, vivid descriptions, and deep empathy for his characters. He made significant contributions to literature by shining a light on the hardships faced by ordinary people and advocating for social justice. "The Grapes of Wrath" is considered his most famous work and remains a classic of American literature. Steinbeck's impact on the literary genre of social realism is enduring, as his works continue to resonate with readers today.