Boss Graves has his eye on a priceless Soap Diamond, but Shooter, his chief hench-reptile, is too busy falling in love to have his eye on anything but the dino-lady concerned.
Infuriated by T-Rex's triumphs and his own thugs failures, Boss Graves imports an out-of-town hit-dino - an enormous, fire spewing, Godzilla like monster, named Hot Shot, to eliminate T-Rex from Rep City.