Once balloons and flowers are both used to decorate human home and festival. After human finds out that balloons are not even near to flower they started to use only flower to decorate there home and other places.
That made the balloons jealous about the flowers. Then they start to capture the flower trees at night and hang them from weird structures. If nobody found that flower trees are hanging and drying up they used to die.
Then three planes come to that place. Crashing those peculiar structure and chains they freed all the dying trees.
In this game players have to help these plane to find there target and save the trees.