A Yank comes to Havana in search of an old friend who disappeared during the Cuban Revolution, and discovers a group of Batista sympathizers plotting to overturn Castro.

Andre Laurence accompanies his college roommate, Tenga, back to Tenga’s Polynesian island home. There, Andre becomes attracted to the native life and his friend’s sister, Kalua.

In post-war Europe, a diverse group of passengers aboard a U.S. Army train to bombed-out Frankfurt becomes involved in a Nazi assassination plot.

In 17th-century England, Charles II, the rightful heir to the kingdom, is driven from his country by militants working for rogue leader Oliver Cromwell. Charles ends up in the Netherlands,…