Toothless was trying to escape the vicious enemy dragons when he fell into a frozen lake and caught a flu. He needs a special dragon treatment that only his master knows how to administrate. Join this powerful dragon and his friend in a beautiful adventure and see how you can cure a dragon's flu. Give him the right potions, put on the oxygen mask and Toothless will feel better in an instant. The beautiful Night Fury is now ready to go back and fight!