The little buses become bored when their TV stops working. As Hana tries to entertain the little buses, Hana makes up a fairy tale that takes the busses on an adventure to a magical land in the clouds. This magical land, where there is engine oil that can help treat Gani who is very sick.The buses get into a competition about who should get the precious oil. Will buses get to take the precious oil to help sick Gani to get better? Let's get down to business!