Dr Jim Hunter is a genius biochemist, and author of a smash-hit science book. His wife Millie is a blonde bombshell and fellow scientist, researching rare poisons derived from puffer fish.They seem to have it all, but others in their academic circle are jealous of their success – and their inter-racial relationship arouses prejudice. So when a double murder is perpetrated, using poison stolen from Millie's research lab, Captain Carmine Delmonico of Holloman Police must race to find the killer before they can claim their next victim.