From Introduction:
Chain Reaction is the first adventure in the From Blinding Heights series. From Blinding Heights casts the player characters as Firewall sentinels operating in the martian city of Olympus. There they must stop a sinister conspiracy attempting to ignite war between the Planetary Consortium and Locus.
This adventure uses the additional information on the Mars, Olympus, and the Planetary Consortium presented in Sunward. For those using the sample characters included in Eclipse Phase and Sunward, the following characters are especially appropriate: Barsoomian Freelance Journalist, Criminal Hacker, Extropian Smuggler, Hypercorp Black Marketeer, Mercurial Investigator, Ultimate Mercenary, Martian Ranger, Oversight Auditor, and Triad Soldier.