The doomsday men

Three strangers, each on a separate mission, converge in the California desert. Jimmy Edlin is hot on the trail of a religious cult he believes is responsible for his brother's murder; George Hooker is a physicist in search of a missing colleague; and Malcolm Darbyshire is an Englishman looking for a beautiful heiress who has vanished without a trace. When the three men come together and discover that their situations are intertwined, they join forces to try to unravel these mysteries. Braving danger and death at every turn, they follow a trail of clues that leads to an explosive conclusion, as they uncover a sinister group whose insane philosophy calls for the destruction of all life on earth and who possess the awesome power to bring about doomsday!