The roll out of R.O. BOTS leaves International Rescue with little to do until one of the bots malfunctions during a sky-transport rescue operation. The full efforts of International Rescue provide the human element needed to save the passengers and defeat the Chaos Crew.

The Gray and Houseman mining operation now includes planet Mercury; it uses a moving vehicle that stays on the 'dark side' of the planet. However, when a malfunctioning pod leaves the vehicle stranded - and with the sun's blazing 'terminus' drifting ever closer -International Rescue are summoned to solve the problem.