Yin feels as though Yang is not really supportive of her during their fights against evil, while Carl feels as though he's not doing enough to win his mother's love. So Carl decides its time he tried to try out another diabolic plan to blot out the world's suns again! This time, he plans to go into space and plant plasma guns on the world's moons which have the power to destroy the suns! Yin and Yang must go after Carl, but the matter becomes complicated due to Yin installing a computerized boyfriend on the Woo Foo Battle Cruiser named Chad 3000. Will this new machine help or hinder Yin and Yang's plan to stop Carl?
