 Drakken and Shego break into the lab of Dr. Cyrus Bortel to steal one of his devices. When Kim and Ron arrive to stop them, Kim and Shego fight and accidentally are each tagged with Dr. Bortel s latest invention, the moodulator, a device controlled with a remote that forces the wearer to experience specific emotions. During the fight, Kim drops her Kimunicator and Ron picks up the control for the moodulators, thinking it was the former, and gives it to Kim. Back home, Kim gives it back to Ron, telling him it s the wrong device. Thinking it s a video game, he starts playing with it, causing Kim and Shego to go through an emotional roller-coaster. He stops playing when it s set on love, and Kim then crushes on Ron, and Shego on Dr. Drakken. Meanwhile, Drakken is trying to finish his plan, using Dr. Bortel s invention he stole. At the Middleton Fair, they all meet, and Drakken realizes what s happening to Kim. He takes the moodulator s control and boosts its power. Instead he fries it and freezes the emotion setting at anger. He didn t realize that it was also affecting Shego, so now Shego s angry at Drakken, and Kim at Ron. But Ron finally talks through the moodulator s effect on Kim, and she breaks free. Unfortunately for Drakken, he can t make the same connection with Shego, and she chases him out of town.