Two expert thieves, known as Fire and Ice, has come back in time, and when they use a paralysing beam from the future, no guard can stop them. Soon Lambert is on to them, but even he doesn't have any protection against their weapon. And if Lambert sends the thieves back to 2192, he may never find Sahmbi.

When Lambert discovers that two computer genius brothers from the future has come to the present, he goes undercover as a computer expert. He soon finds that the secretary of one of the brothers saw her boss killing a government agent. She can't say why, though.

Lambert digs some more, and finds that he's really hired to hack into a federal computer to steal a fortune. But before he can something about it, the brothers leave with the secretary's brother as hostage. How can Lambert hope to catch them without harming the hostage?