During World War II, a Royal Artillery officer is assigned to an anti-aircraft battery that is filled with female soldiers of the Auxiliary Territorial Service. His wife who has enlisted is mistakenly posted to the battery in violation of regulations of husbands and wives serving together in the same formation. She becomes jealous of what she perceives as him paying too much attention to the other Auxiliary Territorial Service women.
With their headmistress under lock and key in her majesty's prison, the St Trinian's girls find themselves under the protection of the army. However, when the sixth form take a fancy to winning a trip to Italy through means fair or foul, the army discover this is one battle they can't win. Let loose in Europe, it is not long before St Trinian's have succeeded in endangering European relations.
En un barrio londinense de clase baja, el pequeño Joe vive con su madre en un piso situado sobre la sastrería del señor Kandinsky. Joe sueña con ayudar a los pobres a cumplir sus deseos. Un día el sastre le cuenta un cuento según el cual quien capture a un unicornio podrá obtener cualquier deseo. Joe decide entonces gastar sus ahorros en la compra de un cabritillo con un cuerno emergente, creyendo que se trata de un unicornio. Sus esfuerzos para hacer realidad los sueños demuestran el poder de la esperanza y la voluntad en medio de la adversidad.