A young woman finds herself engulfed in Cold War intrigue when her father, a Nobel Prize-winning author, vanishes while travelling near the Russian border. Entrusted by her father with an unfinished book he was working on before his trip, the young woman becomes engaged in a power struggle over the material with her estranged stepmother. Suspiciously befriended by a journalist in the midst of the crisis, the young woman ultimately learns that no one is to be trusted - as her father's work is of interest to the intelligence departments of several countries.
Young English girl Nikky and her aunt arrive at the Moon-Spinners, a hotel on Crete, to a less than enthusiastic welcome. The coolness of the owner is only out-done by the surliness of her brother Stratos, recently back from London. But then there is nice English lad Mark to make friends with, at least until Stratos and his pal take a shot at him one night. When Nikky helps him hide she finds the Greeks are after her too.
Suspecting that a safari guide is a wanted killer, undercover policeman Geoffrey Bishop (Richard Fraser) joins a safari led by the suspect for a scientist that hopes to find and prove that a fabled white gorilla is a missing link.
Pickpocket Kitty's life changes when painter Thomas Gainsborough makes her portrait. The artwork gains the attention of Sir Hugh Marcy, who later decides to use her for his benefit.
When composer George Harvey Bone wakes with no memory of the previous night and a bloody knife in his pocket, he worries that he has committed a crime. On the advice of Dr. Middleton, Bone agrees to relax, going to a music performance by singer Netta Longdon. Riveted by Netta, Bone agrees to write songs for her rather than his own concerto. However, Bone soon grows jealous of Netta and worries about controlling himself during his spells.
