Black Scorpion is back protecting the streets from a maniacal criminal called the Gangster Prankster. Meanwhile, a seismologist is working hard on a new device that might stop buildings from falling during earthquakes. On the first day of testing of the invention something goes wrong. Ursula is in a terrible accident. Now she wants revenge. Renaming herself Aftershock and plotting to release a really big one. (thetvdb.com)