A middle-aged businessman meets a band of rowdy youths and is smitten by one, named Francesca.

Five GIs end up in a female college during their military manouvers. They are very welcome by the girls and since one of them has also a beautiful voice they take part in a show organized by the college.

A drunken war correspondent, a prostitute and happy-go-lucky Italian GI barely escape a bombing of Manila, only to realize that the island they land on has been captured by the Japanese. They hook up with a band of Allied survivors and attempt to escape.

Rod Cooper, an American agent of the CIA, is sent to Paris to discover if colonel Segura, head of a clandestine organization which proclaims itself anti-Castroist, is playing a double game at the expense of the United States. He first tries to make contact with Ms Beckett, who should tell him. Segura's intentíons, but the woman is found killed. Subsequently, Rogerson, another American, presents Cooper to Segura himself and so Rod can enter his organization. Here he discovers that the colonel tries to attract a certain number of Americans to use them in an attack against the president of a state of southern America and thus promote communist expansion. Segura soon discovers Rod's real identity and tries to get rid of him; but the agent manages to reverse the situation and kills Segura in a shoot-out.

Two French agents fight a Chinese sect that aims to control the American Secretary of Defence via high-tech medicine, so that he would start a world war.

The diabolical Goldsinger, enraged at being excluded from the UN, hatches a plot to blow up the assembly while all the heads of the state participate. Luckily, inept agent James Tont discovers the plot and sets out to stop Goldsinger.