An undersea civilisation creates a weapon capable of obliterating the West Coast of America.

Threatening to destroy the "Place of the Angels", the Mysterons engineer the theft of a lethal virus from a research centre.

The passenger aircraft Skythrust, conceived by Brains using the alias Hiram K. Hackenbacker, falls into the hands of fashion criminals who hi-jack the plane to steal a new French design from the renowned François Lemaire.

Zelda unleashes MOID, Master of Infinite Disguise, who kidnaps Hiro and impersonates him.

Zodiac resorts to subterfuge to prove that an unscrupulous pair of space salvage contractors, the Briggs Brothers, are sabotaging robot supply freighters so that they can pick up the pieces.

Jane and Took investigate the theft of a tarn egg-sac from Demeter Memorial Hospital while Brogan and Haldane are assigned to the protection of underworld crime boss Vinny Artak, who is running for city council. When Artak is gunned down in front of them, Brogan and Haldane find themselves under investigation and learn that Vinny Artak just won't stay dead.

The mission to the new planet ends in disaster and the death of one of the astronauts, following which his colleague realises that the planet is a mirror image of Earth in every detail, with a parallel and duplicate timeline.

Jason Webb, head of the European Space Exploration Council sends two astronauts, Glenn Ross and John Kane, to explore a newly discovered planet similar to the Earth but located directly on the opposite side of the sun.

Missouri Mike arrives in town claiming to be able to sell things to people they didn't even know they wanted including selling safes $5 each with a free bottle of brandy. But the brandy is drugged and Mike is actually a criminal planning to rob the town blind with a master key to the safes.

A spy goes missing with crucial information. The Protectors are tasked with finding him—but is he still alive?