Stefan Balsiger, a congenial, average Swiss man and councillor to the embassy, accompanies an US senator on his mission in Cuba. He makes a botch of so many things that a minor blunder by the Senator turns into a serious incident which intensifies into a second Cuban crisis – thanks to further entanglements by the media, police and diplomats who represent the arch-enemies USA and Cuba. Only one person can eventually solve the crisis: Stefan Balsiger himself.