Professor Chambers and Professor Dunn are kidnapped by a gang led by the Master to work on the Sonic Accelerator at his secret lab.
Professor Quigley, already a captive of the Master, has completed a prototype of the Sonic Accelerator.
Fearing their kidnapping, Lt. Flynn relocates Professor Forrest and Miss Whitney to a secret location.
Matt and Gail are asked by the Science Foundation Board to investigate the kidnapping of their scientists.
Matt and Gail track the gang to Electronics Unlimited looking for the mysterious Mr. Chartoff.
Miss Whitney alerts the Master to the location of the secret lab.
Matt and Gail track the gang to their new hideout in the harbor.