Hercule Poirot attends a dinner party in which one of the guests clutches his throat and suddenly dies. The cause seems to be natural until another party with most of the same guests produces another corpse.
Conservative street cop DaSilva reluctantly agrees to terminate an international terrorist who has demanded media attention. But DaSilva's "at-home" tactics are very much put to the challenge.
Allan Quatermain once again teams up with Jesse Huston where the discovery of a mysterious old gold piece sends Quatermain looking for his long-lost brother, missing in the wilds of Africa after seeking a lost white race.