Autobots, Decepticons, Predaking and Predacons form an unlikely alliance to battle a resurrected Unicron.

Ortensia is a mechanical ballerina, that every day is forced to dance for an audience, in a seemingly endless loop. But one day, she sees in the crowd someone drawing her: the first representation of herself as an individual.

Thelma and Patsy find themselves in a spooky house inhabited by a nut who is a mechanical genius and has made a robot who does everything. The inventor manipulates the robot's control board from a hidden room. The girls are soon in a panic. Patsy gets into an argument with the robot and loses the match of wits. Blackie Burke, an escaped convict, is using the house as a hideout, and this adds to the problems the girls already have.