The whole world is in chaos because of the zombie apocalypse, but you know better. You still need to survive and you can't do that if there are no food. You own a farm, so you need to plant vegetable to grow some foods. The idea here is to grow some food for your survival. Sell the produce to the market to make some money. Buy some weapons and bullet to fight the hordes with. There are no time to stop in this game since the game doesn't stop even if you level up. You need to plant more to harvest more food and make money from it.