Big Boss continues with his efforts to take over Greenit and orders Oops and Koops to dump wastewater into the village. The animals drink the contaminated water and see a change in their personalities. They become sensitive and easily irritated which leads to chaos in the village. As time passes the animals' faces are cast with darkness and they become increasingly violent.

Yoohoo does not only like to run but he also loves playing pranks. One day Yoohoo's friends decide to get back at him by planning a big prank during the village's race. On top of this, Oops and Koops also decide to make the race difficult for Yoohoo by setting up traps along the racetrack.

Yoohoo and his friends are eagerly waiting for the Fruit Festival! However, an unknown animal ruins all the fruits and so, the Fruit Festival is cancelled. In addition to the bad news Pammee's house is broken into and a thief has stolen all the food in the refrigerator. Yoohoo and his friends decide to take things into their own hands and begin a search for the criminal.