Fiona needs your help to win in 7 gardens representing the 7 rounds of the contest. To win a round, you need to keep a great variety of flowers in the garden, pull the weeds out and collect enough money for the next round! You'll need to plant, nurture, prune, crossbreed and sell flowers, buy fruit trees and processing machines and sell their products too. You can also fulfill optional orders, to further boost your income! You can use Fiona's skills as well to make the gardening easier. By winning the contest you complete 'Fiona's Story' game mode and you can continue playing in 'Free Gardening'. There you can finish completing every Achievement in the game!
Source: The Publisher Website.